which sentence Is punctuated correctly?

A. In the first place modern communicators have made it possible, for many people, to work from home.

B. In the first place modern communicators, have made it possible for many people to work from home.

C. In the first place, modern communicators have made it possible for many people to work from home.

D. In the first place modern communicators have made it possible for many people to work from home.
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