稀莶草的功效是

A．祛风湿，通经络，利小便
B．祛风湿，通经络，降血压
C．祛风湿，通经络，安神志
D．祛风湿，通经络，消痰水
E．祛风湿，通经络，化瘀血

She was just about to explain ______ she hadn't passed her maths test chiefly out of carelessness ______ her uncle came.

A. her mother when

B. to her mother
why that
C. her mother
that when
D. to her mother
that when