单项选择题 This reflects the priority being attached to economic over political activity, partly caused by a growing reluctance to enter a calling blighted by relentless publicity that all too often ends in destroying careers and reputations（）.

单项选择题 If you can't dig into the field you have chosen for your pursuit, it is hardly possible for you to achieve anything significant in the field（）.

单项选择题 The old man sat before the fire in a trance, thinking of his past fife（）.