b为啥不对啊

问题如下：

Question Which of the following is most likely classified as a defensive industry?

选项：

A.A mature industry with government-controlled pricing

B.A non-cyclical, high-growth industry

C.A cyclical industry with a few competitors

解释：

A is correct. A defensive industry is non-cyclical with stable earnings. A mature industry with government-controlled pricing will have stable earnings and be non-cyclical.

B is incorrect. A defensive industry will have stable earnings, not growing earnings.

C is incorrect, A defensive industry is non-cyclic.