单选题 It is unfortunate that, owing to lack of money, these experiments must now ______ before the objective has been achieved.

【正确答案】 B

【答案解析】terminate终止，结束；transfer迁往，调往，转移；testify作证说；证明；transform把…变为或改造成。句意：不幸的是，由于缺乏资金这些实验还没达到目标就得终止了。