When Mary got into the exam room, she just became anxious and her mind went completely______.
【正确答案】 A
【答案解析】玛丽一走进考场.就慌乱起来.脑子里一片空白。A blank指纸张上面没有写字或做记号,比喻义为“毫无表情”,go blank是常见的搭配,表示“一片空白”(如本题)。B.empty表示内部无一人或一物,还可指话语空洞、无意义。C.vacant指“未被占用的”。D.hollow指“空的,空心的”。