In the job interviews, job applicants often find themselves ________ unexpected questions, some very difficult to answer.

A．to ask

B．asked

C．to be asked

D．asking

珠江三角洲地区能源比较缺乏，为了解决珠江三角洲地区的电力不足问题，我国采取了许多措施，主要措施有[ ]

A．西电东输、修建核电站

B．修建青藏铁路、修建三峡工程

C．北煤南运、西气东输

D．西气东输、修建青藏铁路