.Although it had been struggle for him to finish the experiment, he enjoyed the result with satisfaction.
A. the, /
B. a, /
C. a, a
D. /, a
网友回答
A. the, /
(答案→)B. a, /
C. a, a
D. /, a
解析：考查冠词。a struggle抽象名词具体化，意为：一件困难的事情。With satisfaction意为：满意地
句意：尽管对他来说完成实验是一件困难的事情，但是他对实验结果非常满意。