7 the assistant is able to respond calmly to last - minute assignments to meet deadlines under pressure…

Brief Explanations:

The ability to respond calmly to last - minute assignments to meet deadlines under pressure implies adaptability. 'Flexible' means being able to change or be changed easily to suit any situation, which fits this description. 'Dependable' means reliable, 'friendly' is about being kind and pleasant, and 'punctual' means being on time.

Answer:

A. flexible