单选题 The application form got crumpled--I tried to ______, but I think I made it worse.
A. clear it up B. fend it off C. straighten it out D. pin it down

【正确答案】 C
【答案解析】申请表揉皱了，我曾试图把它展平，但是没弄好，所以我觉得还不如不弄。
[答题点拨] straighten out弄直。clear。up整理，消除，放晴。fend off挡开。pin down压制。