单选题
The changes made in the working conditions at our company resulted in remarkable improvements in all aspects of our business and ______ more so in the morale of our employees.
【正确答案】
C
【答案解析】横线后的more在解题时起决定性作用。横线位于比较级前，由此可以判断应填入修饰比较级的副词。此类副词还有even, much, a lot等。