why is parris so concerned about the events that are rumored to be taking place in andover?

(a)parris fears that the examinations in andover will be put to a stop

(b)he fears that the disbelief in the trials will spread to salem and cause a riot

(c)he wants to avoid repercussions if the trials are proven to be fraudulent

(d)he is convinced that the people will allow witchcraft to spread throughout the colony