题目内容
— Look! The tree is growing well. When ?
— Sorry, I don’t know, either.
| A．was it planted | B．has it been planted |
| C．is it planted | D．will it be planted |
A
解析试题分析：句意：看，这棵树长的真好。它什么时候种的?对不起，我也不知道。when,提问时间，根据句意可知问的是过去的时间。故选A。
考点：考查过去时态的用法。
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