試題詳解

2. The author cites all of the following as contributing to the weakness of third parties EXCEPT
(A) their tendency to avoid sharply defined political programs
(B) an electoral system that denies them proportional representation
(C) their tendency to adopt programs that fail to attract mainstream voter support
(D) the ability of major parties to undercut their appeal
(E) the fact that many are based on issues of only temporary relevance