—Have you heard that George quit his job?
—Yeah, but I can't ________why he did so.
A. put out B．figure out
C. carry out D. send out
—Have you heard that George quit his job?
—Yeah, but I can't ________why he did so.
A. put out B．figure out
C. carry out D. send out
B 考查动词短语辨析。put out伸出，生产；figure out弄明白；carry out贯彻，执行；send out发出，长出。答语句意：但我琢磨不透他为什么要辞掉工作。