Her husband was able to drive a car last year（找出同义词）
A：can
B：may
C：must
D：could
解释下列句中加线的词。
①一寺临河干 ____
②竟不可得 ____
③岂能为暴涨携之去 ____
④遂反溯流逆上矣 ____
