________, he also had a son in college who had taken a bank loan to pay for his studies.

A．Make matters worse

B．What worse

C．To make matters worse

D．To make thing worse

药品是特殊商品，限时性的特性主要体现在人们( )

A．生产药品需要保证质量时

B．需要保健时

C．加强药品质量监督时

D．治疗疾病需要用药时

E．经营药品追求经济效益时