13.Many psychologists believe a sense of humor is_______________and can be passed from parents to their children.
(A) tentative (B) indiscreet (C) parochial (D) hereditary
(A) tentative -uncertainty (B) indiscreet -careless/inconsiderate about what you talk, especially sth . should be secret (C) parochial -relating to a parish(an area has its own priest or church) (D) hereditary -passed from a parent to a child