A3起步号在9D216577以前的车安全气囊灯有时闪亮问题的处理方法（）

A.更换新气囊电脑

B.更换升级的仪表

C.处理气囊插头

D.更换发电机

The table below shows the enrollment in various classes at a certain college.

Although no student is enrolled in all three classes, 15 are enrolled in both Biology and Physics, 10 are enrolled in both Biology and Calculus, and 12 are enrolled in both Physics and Calculus. How many different students are in the three classes ？（）

A. 51

B. 88

C. 90

D. 125

E. 162