In 1911, Madame Curie received a second Nobel Prize for her research, the first person

in the world _____ two Nobel Prizes. [ ]

A. receiving

B. received

C. to receive

D. being received

煤气管道严密性试验在室内外，地沟，无维护结构车间，环境条件下计算时间压力<0.1兆帕，试验时间应在（）以上。

A.2h

B.1h

C.0.5h