She was surprised to find the fridge empty；the children _____ everything !
A．had been eating B．had eaten
C．have eatenD．have been eating
B
考查句子結(jié)構(gòu)。本題的關(guān)鍵是標(biāo)點(diǎn)符號。分號說明后面是一個新的句子。再根據(jù)事態(tài)可知孩子們吃完一切是在他發(fā)現(xiàn)之前，所以使用過去完成時。
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