For the success of the project, the company should ______ the most of the opportunities at hand.

A．He didn’t think it necessary to see the doctor.
B．He has no time during weekends.
C．The symptoms disappear on weekdays.
D．He was busy with his work.

A．To keep out boats that are too large for the canal.
B．To measure the tonnage of canal boats.
C．To load and unload the cargo.
D．To change the depth of the water.