单项选择题
Which of the following is true in terms of hedging expressions in the following sentences?
Sentence 1: A course on probability begins by studying coin flips, and the counting of distinguishable vs. in distinguishable objects.
Sentence 2: It is my view that the field of mechanical engineering is among the broadest of engineering disciplines.
Sentence 3: It could be the case that intelligence is nurtured as opposed to being a natural phenomenon, however, there is a great deal of evidence to suggest otherwise
A.There are hedging expressions in all the three sentences.
B.Only the last two sentences contain hedging expressions.
C.None of the sentences contain hedging languages.
D.Only the first two sentences contain hedging expressions.