According to the report, an Iranian nuclear scientist was killed and two people were injured when a bomb ______ to a car exploded in its capital city.

A．attaching

B．attached

C．to be attached

D．having attached

在发病过程中，邪气为

A．决定是否发病

B．决定着疾病的性质

C．发病的决定因素

D．发病的重要条件

E．以上都不是