It is difficult for her to make the final decision now,______she is in a delicat

游客2023-09-21  29

问题 It is difficult for her to make the final decision now,______she is in a delicate situation.

选项 A、if
B、unless
C、until
D、since

答案 D

解析 四个词中,只有since可以引导原因状语从句,表示“由于,因为”的意思,故选D。
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