Which of the Following Is the Correct Order of Stages

Multiple Choice

Which of the following is the correct order of stages of estimation of concrete roads?

A) earthwork excavations, cement concrete for the base course (1:4:8) and cement concrete for wearing course (1:2:8)
B) earthwork excavations, cement concrete for wearing course (1:4:8) and cement concrete for the base course (1:2:8)
C) earthwork excavations, cement concrete for the base course (1:6:9) and cement concrete for wearing course (1:7:9)
D) cement concrete for the base course (1:2:3) , cement concrete for wearing course (2:7:9) and earthwork excavations