单选题

A Government officers are hard to please.

B The learner has to go through several tough tests.

C The learner usually fails several times before he passes it.

D The driving test usually last two months.

解析：
细节题。从主考官的表现可以看处，主考官很严厉，不管你做得多么好，都不会有什么笑脸，不会有什么称赞，所以答案为A。