Alice explains things very well, what she says can be understood very ＿＿＿.
A. quietly
B. carefully
C. slowly
D. clearly
网友回答
A. quietly
B. carefully
C. slowly
(答案→)D. clearly
解析：副词的用法。quietly“安静地”；carefully“仔细地”；slowly“缓慢地”，clearly“清楚地”，句意：爱丽丝把事情解释的很好，她所说的都能被很清楚地理解。故答案为D.