delayed hypersensitivity

If Task B has 15 days of free float and 25 days of total float, and the early start date of Task B is delayed 30 days, how is the project affected

A:The next dependent task's start date will be delayed 15 days. B:The duration of the task will be shortened 15 days. C:The completion date of the project will be pushed out 5 days. D:Both A and C.

The activity was delayed，（　）was exactly（　）we wanted

A:whicll, what B:which，which C:that，what D:that，that

The storm delayed ______ Yokohama Harbor.

A:the ship to leave B:the ship's leaving C:the leaving ship D:to leave the ship

The mail was (delayed) for a week because of the flood.

A:held down B:held in C:held off D:held on

The mail was (delayed) for a week because of the flood.

A:held down B:held in C:held off D:held on

Not until this morning ( ) your delayed letter of credit.

A:we received B:did we receive C:we have received D:had we received