Questions 17～20 are based on the following news report about a natural disaster. You now have 20 seconds to read Questions 17～20. Which country do the floods hit most heavily

A. Five years old.
B. Fifteen years old.
C. Twenty years old.
D. Thirty years old.

A. For she doesn’t have time to study right now.
B. For she doesn’t know how to read well.
C. For she doesn’t get the textbook she needs.
D. For she doesn’t like chemistry.