No one knew where my grandfather was, and many came to _____us in searching for him.  

A．help

B．assist

C．provide

D．encourage

净杯时，要求将水均匀地从茶杯洗过，而且无处不到，宁红太子茶艺将这种洗法称为（）。

A.洗尘净杯

B.热壶烫杯

C.春风拂面

D.流云拂月