急急急!!!帮忙看看

jieshan8899UID: 2251428

十月考SAT现有几道语法题帮忙看看,万分感谢!
% p( e% ]5 c8 ^+ g' @5 h（537、9）
4 S* ?1 y9 I3 {& [9 aAlthough the English artist William Blake never having painted portraits, he regarded them as merely mechanical reproductions that, despite their popularity, lacked true creativity.
) v% H  c0 q8 A/ h(A)        Although the English artist William Blake never having painted portraits, he regarded them
0 h) s  h9 W  B/ O7 I(B)        The English artist William Blake never painted portraits, he regarded them
(C)        Never having painted a portrait, they were regarded by the English artist William Blake
(D)        The English artist William Blake never painted portraits; however, regarding them
4 i! k& X5 Q4 N& s7 i: S( I, F(E)        The English artist William Blake never painted portraits because he regarded them
( M5 F& t6 h/ H" @4 f原文Although 题转折，那么修改的句子也应是转折啊，为何是因果关系呢？
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原题（414、11）
' z+ Y# [# a6 Q5 \' X4 [With billions of tons yet to be mined, some argue that coal conservation measures are unnecessary.
(A)        With billions of tons
(B)        Because billions of tons of coal are
! j+ Q# F4 q2 n(C)        Because of coal in billions of tons
(D)        By considering that there are billions of tons
$ K( ^, S7 _( m. Q(E)        Aware of the coal in billions of tons
1 t# e/ ^0 O/ k+ G0 XThis 和that 是否均在句子中无能充当主和宾。
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原题（478、8）
Returning to Dayville after ten years. The small town seemed much livelier to Margo than it had been when she was growing up there.
7 C0 e0 w' m; x  s2 E6 t1 u(A)        Returning to Dayville after ten years, the small town seemed much livelier to Margo
(B)        Having returned to Dayville after ten years, is seemed a much livelier town to Margo
(C)        After Margo returned to Dayville in ten years, the small town seems much livelier
(D)        Margo returned to Dayville after ten years, the small town was seemingly much livelier
. W% ?) [2 V2 I, W) x9 d(E)        When Margo returned to Dayville after ten years, the small town seemed much livelier to her
为什么不选B？

杀生玲UID: 2204304

第一题：如果是although的话，翻译出来就是——虽然某某他不画，但是他瞧不起。  （^_^）逻辑不对，应该是：他因为瞧不起才不画的。
! O7 w/ I' \0 _! _第二个问题没看懂。。。
) s) z* W3 P; _# _第三个：Having returned的动作发出者要和主句主语一致。
（好像这是位妈妈帮问的吧，好感动～）