A minor criticism of the book, which is (i)_____ an understanding of the difficulty of doing direct research in Hong Kong’s, is that So relied on secondary sources to tell the story of Hong Kong's political development, with previous histories of the period (ii)_____ his research. Given So's (iii)_____ many of the players in Hong Kong politics, it is surprising that he did not use interviews and other forms of direct research to delve further into the motivations, strategies, and tactics of participants.
A.attributable to
B.exacerbated by
C.tempered by
D.largely debunked by
E.obviating the need for
F.playing a large role in