Question

--- Is your sister a factory  worker or a doctor?
--- ________________.

1. A.
   Yes, she is
2. B.
   No, she isn’t
3. C.
   A factory worker
4. D.
   Yes, she is a doctor

Answer 1

C
试题分析：根据or可知，本句是一个选择疑问句，不能用yes或no回答，故应将ABD排除。所以本题选C。
考点：本题考查选择疑问句。
点评：本题会容易和一般疑问句相混淆，回答选择疑问句必须回答其中一者，如本句中或者回答a factory  worker 或回答 a doctor。