Which of the revisions below is the most appropriate way to correct the following sentence fragment?

Jacquie doesn't travel very much. Because she is afraid of flying.

AJacquie doesn't travel very much because she is afraid of flying.

BJacquie doesn't travel very much, afraid of flying.

CJacquie doesn't travel very much; because she is afraid of flying.

DJacquie doesn't travel very much, she is afraid of flying.