单选题
While serving in the Senate in the early 1970's, Barbara Jordan supported legislation to ban discrimination and to deal with environmental problems.
【正确答案】
B
【答案解析】ban和forbid意思相近，表示“禁止”。list：列出。list a few reasons：列举几条理由。 handle：对待，应付。The speaker handled his subject concisely．演讲者对主题作了简要的论述。investigate：调查。