The waitress talked as as she could to make the customers understand her.A. clearlyB. mo

问题补充：

The waitress talked as as she could to make the customers understand her.

A. clearly

B. more clearly

C. most clearly

D. the most clearly

答案：

(答案→)A. clearly

B. more clearly

C. most clearly

D. the most clearly

解析：句意：服务员清楚地说她可以让顾客理解她。as ... as中间应用形容词或副词的原级。故选择A。