求解prep一题

christinashao

请大家帮我看看这道题吧，选b对么？  感激不禁啊~~~

At least 100 students at a certain high school study Japanese. If 4 percent of the
students who study French also study Japanese, do more students at the school study
French than Japanese?
1). 16 students at the school study both French and Japanese.
2). 10 percent of the students at the school who study Japanese also study French