victory47 wrote:
nothing wrong with D.
something wrong with B.
in B, "entering" take the time of "are" so, it is in present but "this fall" show future. this is not fit. no logic. wrong.
in D
"placing" take time of "will be" so, it is in future time . this is logic. no thing wrong.
mistake in official question?
The problem with D (use of the present participle "placing") has already been explained in the post above:
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