When the authority of fathers begins to (), political power generally collapses, as well.
A、falter
B、filter
C、rumble
D、ramble
【正确答案】:A
【题目解析】:本题考查动词辨析。falter:蹒跚,动摇,衰退;filter:过滤;rumble:隆隆作响,低沉地说;ramble:漫步,闲逛。空格处的动词的逻辑主语是the authority,所以最适合的选项为A:动摇。句意:当父亲的权威开始动摇时,政治权力通常也会崩溃。