many of these songs called on the workers to
many of these songs called on the workers to _____ the struggle.many of these songs called on the workers to _____ the struggle. A. keep up B. hold up C. rise up D. join up the key is a why not b
这句话的意思是：这些歌中的许多歌号召工人们坚持斗争。keep up the struggle是坚持斗争的意思，而hold up是(1)delay;(2)stop by the use or threat of force, for the purpose of robbery。与题意不符。
