We can infer that the students are required to ______in their whole driving practice.
A. go out driving for twelve times
B. spend at least six hours driving
C. drive for two hour blocks of time
D. get half an hour driving
正确答案：A
53．答案为A从短文第二段学生总共要练6小时每次练车半小时的细节推断学生需出车12次
