Part III Vocabulary and Structure (20 minutes)
Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the ONE that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the center. 【題組】59. Things might have been much worse if the mother ________ on her right to keep the baby.
(A)) has been insisting
(B)) had insisted
(C)) would insist
(D)) insisted