大全855sec_3 - 1,我的理解

1. The sale of government surplus machinery will begin at 9 a.m. and continue until the supply lasts.
(A) will begin at 9 a.m. and continue until the supply lasts
(B) begins at 9 a.m., continuing until the supply lasts
(C) will begin at 9 a.m. and, until the supply lasts, will continue
(D) begins at 9 a.m. and, as long as the supply may last, it continues
(E) will begin at 9 a.m. and continue as long as the supply lasts

为什么D正确而B不正确？我认为，B最明显的错误在于until后不能用延续性动词，比如last、stay等等，而as long as可以。

如果我的解释正确，希望对各位朋友遇到此类考题时有所帮助。

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并且B用continuing也不对，因为现在分词应表示分词动作和主句动作同时进行，而begin和continue是不合这个要求的