单选题 The government is laying to do something to ______ better understanding between the two countries.

【正确答案】 B
【答案解析】[解析] 四个选项的意思分别是；A．“提高”；B．“提拔，晋升(职位)，促进”；C.“加高，增加，使出色”：D．“增加”。