They spent the afternoon in the street, not knowing what to do.
A. putting on
B. blocking out
C. holding out
D. fooling around
网友回答
A. putting on
B. blocking out
C. holding out
D. fooling around
解析：考查短语辨析。A穿上；B阻塞,堵住；C维持，保持；坚持；D闲荡,游手好闲；句意：他们整个下午都在街上闲荡,不知道做什么。