When the authority of fathers begins to ______，political power g

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】：当父亲的权威开始（动摇 )时，政治力量通常也会随之崩溃。A. falter （嗓音）颤抖; 支吾其词; 蹒跚; 摇晃;
B. filter 过滤; 透过; 渗透

C. rumble 低沉地说

D. ramble 漫游; 漫步; 漫谈; 蔓延

BCD选项代入明显语意不通，A选项代入切合题意