.…once again， the idea worked so well that word got around…哪个译文更为恰切？

.…once again， the idea worked so well that word got around…哪个译文更为恰切？
A.这个主意如此管用，以至于消息又一次传开了
B.这一招果然奏效，消息再一次不胫而走
正确答案：这一招果然奏效，消息再一次不胫而走