The separation of church wasn't apparent in The Crucible trails, they relied on a pastor to determine if someone was a "witch" or not and their beliefs led to the deaths of many. Today, we do not experience this and go by hard evidence and have fair trials to determine if someone is guilty of a crime. <span />
'Iamb' refers to the sequence of unstressed and stressed syllables, and 'pentameter' means that there are ten syllables (penta means five, so you just multiply it by two). So the correct answer is 'ten syllables divided into pairs of unstressed and stressed syllables'.
B, Circumspect. This is a guess. Good luck!