单项选择题

The sound of the doorbell startled her and she ______ knocked the ashtray on to the floor.

A．detrimentally
B．spontaneously
C．inadvertently
D．strenuously

相关考题

Unable to defeat him by logical discussion, she ______ ...

单项选择题Unable to defeat him by logical discussion, she ______ her old habit of criticizing his speech.