Which of the following has the highest dipole moment ?
A.
B. `overset(H)overset(|)underset(CH_(3))underset(|)(C)=overset(CH_(3))overset(|)underset(H)underset(|)(C)`
C. `overset(CH_(3))overset(|)underset(CH_(3))underset(|)(C)=overset(H)overset(|)underset(H)underset(|)(C)`
D. `overset(Cl)overset(|)underset(CH_(3))underset(|)=overset(CH_(3))overset(|)underset(Cl)underset(|)(C)`