In statement (A) it is given that the minister definitely took a wrong step in a certain matter. This is as per the opinion of the author which might not hold true for other people. The statement is a Judgment. In sentence (B) it a verifiable fact that there exists several other course of actions. In sentence (C) talks about the reaction of a particular person which again is a Fact. In sentence (D), there is a conditional clause that if he put the govt in jeopardy he must resign. It is an Inference. Hence option (a) is the answer.