题目内容：

#[57] Recently I _____ 30 letters from the customers complaining about the quality of our products.
A.received
B.had received
C.receive
D.have received
翻译并分析.

优质解答

最近我收到了30封关于产品质量的客户投诉信.
Recently 表示最近一段时间,尤其是包括现在在内,谓语动词要用现在完成时.