药物中含有咖啡因的非处方药有()

A．感冒灵颗粒

B．扑感片

C．贯防感冒片

D．感特灵胶囊

E．维C银翘片

It was ________I went there ________I began to know something about the matter.

A．until；when

B．until；that

C．not until；that

D．not when；that