单选题

There are 40% students in a class are...

Question

There are 40% students in a class are married, and there are 60% of the students in the class are male. If 1/3 of the male students are married, what’s the percentage of single female students in this class?

A. 1/6

B. 1/5

C. 1/4

D. 2/5

E. 1/3