四六级考试

【单选题】 Nancy hasn't begun working on her Ph.D ________ working on her master's.
A．still because she is yet
B．yet as a result she is still
C．yet because she is still
D．still while she is already

网考网参考答案：C
网考网解析：
本句是一个表示因果关系的主从句，前面说明的是结果“她还没有开始攻读博士学位”，后面说明的是原因“因为她仍然在攻读硕士学位”；而且句中的yet其实是用于修饰主句的，用以强调主句中的否定。 查看试题解析出处>>