_____ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.[ ]

A. Waiting

B. To wait

C. Having waited

D. To have waited

根据《建设项目前期工作咨询收费暂行规定》的规定，项目投资在3000万元以下的，由( )制定收费标准。

A．地市级政府部门
B．省级政府部门
C．省级物价部门
D．地市级物价部门