逻辑题一道，请教大侠指教

有一道题，是新东方的练习书上面的，看了好久。先请各位大侠指教。

A: The profitability of company X, restored to private ownership 5 years ago, is clear evidence that businesses will always fare better under private than under public ownership.

B: Wrong. A close look at the records shows that X has been profitable since the appointment of a first-class manager, which happened while X was still in the public sector.

(A) the evidence A cites comes from only a single observed case, that of company X.

(B) the profitability of company X might be only temporary.

(C) X’s statement leaves open the possibility that the cause he cites came after the effect he attributes to.

(D)no mention is made of companies that are partly government owned and partly private owned.

(E) no exact figures are given for the current profits of company X.

答案选的是c。小弟百思不得其解。

还有一题，一并请教吧。

Technological education is worsening. People between 18^th and 24^th, who are just emerging from their formal education, are more likely to be technologically illiterate than somewhat older adults. And yet, issues for public referenda will increasingly involve aspects of technology.

Which of the following conclusions can be properly drawn from the statements above?

(A)    If all young people are to make informed decisions on public referenda, many of them must learn more about technology.

(B)    Thorough studies of technological issues and innovations should be made a required part of the public and private school curriculum.

(C)    It should be suggested that prospective voters attend applied science courses in order to acquire a minimal competency in technical matters.

(D)    If young people are not to be overly influenced by famous technocrats, they must increase their knowledge of purchase science.

(E)     On public referenda issues, young people tend to confuse real or probable technologies with impossible ideals.

答案是A

为什么没有人帮我啊？