选择正确的疑问词。 (     ) 1. ___________ is your father from?  He's from China. (     ) 2. ___________ are the lobsters?  They're 80 yuan. (     ) 3. ___________ cleaned the classroom?  My sister. (     ) 4. ___________ are the flowers?  They're yellow and green. (     ) 5. ___________ head is bigger?  Mr. lion's. A. How much B. Where C. What color D. Whose E. Who