The author of this passage is likely to agree with which of the following?
The Cricket council that was [A] / were [ B] elected last March is [A] / Are [B] at sixes and sevens over new rules. The critics censored [A] / censured [B] the new movie because of its social unacceptability. Amit's explanation for missing the meeting was credulous [A] / credible [B]. She coughed discreetly [A] / discretely [B] to announce her presence.
Which of the following would have been true if biological linkages structured human society?