--When are you going to tell Mary the news?--As soon as she ________ back.A.cameB.esC.eD.will e
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B解析该题考查时间状语从句中谓语动词的时态的用法。根据上下文,我们可以将答语视为“I am going to tell Mary the news as soon as she ________ back.”根据主从复合句中主句为一般将来时时,时间或条件状语从句中的谓语动词要用一般现在时表将来这一规则。可得出