She doesn't want to work right now because she thinks that if she ______ a job she probably wouldn't be able to visit her friends very often.

【正确答案】 B

【答案解析】 if后面的句子是虚拟语气，表示与将来事实相反的情况。句意为“Jean现在不想工作，如果她有了工作，就不能经常拜访她的朋友了”，从句表示的是对将来事实的假设，所以应该用表示将来的虚拟形式，即were to do/should do/did，故本题选B。