The direction in which the Earth and the other solid planets—Mercury, Venus, and Mars—spins were determined from collisions with giant celestial bodies in the early history of the solar system
A. spins were determined from
B. spins were determined because of
C. spins was determined through
D. spin was determined by
E. spin was determined as a result of
考察主谓一致
通过分析句子结构,发现该句是主从句,the direction…in which的结构。
从句中的主语是Earth and the other solid planets所以谓语动词应该是复数spin
主语中的主语是the direction所以谓语动词用单数 was determined
表示被动的时候用by 而不用as a result of