某事业单位事业支出400万元，其中专项支出55万元，人员支出180万元；经营支出90万元，对附属单位补助支出和上缴上级支出分别为10万元和20万元，则该事业单位的人员支出比率为( )。

A．34.62%

B．36.73%

C．38.71%

D．45%

Directions: Complete the following passage by using ONE word that fits the context.

Because neither she nor her husband smoked, Mrs. Trench was surprised to see cigarette ash on her doorstep as she entered the house. When she opened the living-room door, she was astonished to see a strange man fast      48     in an armchair! Taking care not to disturb him, Mrs. Trench left the house at once. She called a taxi and went      49     to the police station. When she got there, she lost no time to explain             _____50    had happened and added that the man      51     have got into the house      52    an open window. Mrs. Trench returned home       53      a police car together with two policemen. But it was too late: the man had disappeared. Hurrying upstairs, she went to her dressing-table. She smiled       54       relief when she saw the only thing that man had taken was an imitation diamond necklace that was almost      55      !