Which of the following is the correct network diagram for the table?

Which of the following is the correct network diagram for the table?

A.
Begin – A – C – D – E – End – B – D

B.
Begin – A – B – C – D – E – End

C.
Begin – A – B – D – E – End A – C – D

D.
Begin – A – C – D – E – End – B – C