Japan has been trying to bring its nuclear crisis under control, but spread of radiation has raised concerns about the safety of the nuclear energy.
A. a; the
B. the; /
C. /; the
D. a; /
网友回答
A. a; the
B. the; /
(答案→)C. /; the
D. a; /
解析：考查冠词用法,前文为固定短语under control情况正常, spread特指核辐射造成的扩散,故需用定冠词,选C.