The problem ______ serious moral and ethical dilemmas much more worthy of consideration than those of genetic engineering and the like.
 
【正确答案】 C
【答案解析】 动词词义辨析。选项中,能与serious moral and ethical dilemmas搭配的动词只有expose(显露)符合逻辑。故答案为C。deport“将……驱逐出境”。