Why is Rev. Parris so fearful that villagers will discover his niece and daughter were among the girls dancing in the woods? (Reference lines 112-125 and 245-253)

Why can this sentence be said to illustrate the indicative mood? insects are often harmful to farm crops. a. it states a condition contrary to fact. b. it makes a request or a demand. c. it expresses a statement of fact. d. it expresses a wish or a hope