Although it had been struggle for him to finish experiment, he enjoyed the result with satisfaction.
A. the; an; /
B. a; the ; /
C. a; an; a
D. /; the; a
网友回答
A. the; an; /
(答案→)B. a; the ; /
C. a; an; a
D. /; the; a
解析：考查冠词。第一空的struggle指一件困难的事情。第二空特指那个实验，第三空是固定词组with satisfaction满意地；句意：对他来说尽管完成这个实验是一件困难的事情，但是他对于实验的结果却是很满意地。故B正确。