45. The author’s claim that, since the mid-1970’s, a new strategy has emerged in the unionization of public-sector clerical workers (line 23 ) would be strengthened if the author
(A) described more fully the attitudes of clerical workers toward labor unions
(B) compared the organizing strategies employed by private-sector unions with those of public-sector unions
(C) explained why politicians and administrators sometimes oppose unionization of clerical workers
(D) indicated that the number of unionized public-sector clerical workers was increasing even before the mid-1970’s
(E) showed that the factors that favored unionization drives among these workers prior to 1975 have decreased in importance
该从文章中哪里定位找答案啊,感觉把握不了 |