My father admonished me not to be a ___ potato, adding that watching too much TV would lower one's intelligence quotient.
(A) couch
(B) bench
(C) sofa
(D) footstool
38 Instead of treating you like an expert, some caring and sympathetic doctors would give you more _____
explanations.
(A) ambiguous (B) furious (C) portable (D) comprehensible