She is a strong-willed woman and not once ______ in to any difficulty in her life.
A. she has given B. did she give C. she gave D. has she given
为何答案是D,B为什么不对呢
What do you think of the music teacher?
---- ______ she is an elegant lady, she can be extremely difficult to work with.
A. Even if B. As C. Because D. While
为何答案是D,A表示即使为什么不可以呢,即使她是优雅的夫人。