138.
Where once the union had acquiesced to the prejudices of its English-speaking members by supporting the imposition of an alien tax on immigrant workers, after 1897 the United Mine Workers made a determined effort to enlist Italians and Slavs in its ranks. (A) Where once the union had acquiesced to the prejudices of its English-speaking members by supporting (B) Where once the union acquiesced to it English-speaking members’ prejudice for the support of (C) While once the union had acquiesced to the prejudices of its English-speaking members in support of (D) While once the union acquiesced to its English-speaking members’ prejudice in supporting（A） (E) While once the union had acquiesced to the prejudices of its English-speaking 我选了d理由是in support of 搭配更合理，where 在这里的用法我也不是很明白 | 
