Which of the following prepositional phrases can function as an adverbial？A．Mrs. Rose is a

Which of the following prepositional phrases can function as an adverbial？

A．Mrs. Rose is always at home to her friends.

B．On purpose or not on purpose doesn"t come in much when you are dealing with her.

C．He did not travel by air for fear of having a heart attack.

D．Jack is a man of wealth.

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