问题

The survey shows that 200 students do different thingsduring their vacations. ______ of them take classes according to the survey.
A:120
B:130
C:50
D:65 Do sports---10% Watch TV ---25% The rest take Classes ---
B:130
C:50
D:65 Do sports---10% Watch TV ---25% The rest take Classes ---
正确答案是: