单选题 Human-centered, or anthropocentric, views favor an instrumental view of the natural world and value it only as a means to human ends. Such views place great value and trust in science and technology, believing that the powers of control over nature conferred by them are non-problematical and that ongoing technical development will be crucial to ensure a world bereft of poverty, drudgery and disease etc.
A. favor an instrumental
B. a means to human ends
C. conferred by them
D. will be crucial to ensure

【正确答案】 D
【答案解析】[解析] be crucial to sth.意为“对……来说是至关重要的”。D项中该短语中的介词to后面接的是动词“ensure”,应改为动名词的形式“ensuring”。