Why is the man impatient when working with a large group？A．Because it"s hard to get along

Why is the man impatient when working with a large group？

A．Because it"s hard to get along with so many people.

B．Because there are too many people different from him.

C．Because it takes time to listen to everybody"s voice.

D．Because it takes so long to reach the final decision.

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