Among the choices, option B. Hasn't, is a singular contraction. "Hasn't" is the shortened word for "has not". The rest of the choices are plural contractions: Don't from do not, Haven't from have not, and Weren't from were not.
Answer:
l think it C.. it started raining early in the morning; nevertheless, the scout troop went hiking as scheduled.
Explanation:
hope it helps..
The correct answer is A! :)