Question

________ many countries in Latin America have been trying to reduce gaps in income, America has allowed inequality to grow.

A．While

B．Since

C．If

D．Where

Answer 1

A

考查连词。A. 虽然；然而B.自从 C. 如果 D. 在哪里。句意：虽然许多拉丁美洲国家在努力缩小收入差距，美国已经允许不平等增长。故选A。