In the following questions, in the given sentences, a part of the sentence is underlined. Beneath each sentence, four different ways of phrasing the underlined part are indicated. Choose the best alternative.

The unemployment rate has dropped sharply this month, though it may only be temporary .

A. but it may be only temporary

B. but the drop may only be temporary

C. even though the drop may only be temporary

D. but such a drop may only be a temporary one

Please do not use chat terms. Example: avoid using "grt" instead of "great".