Which of the following have asymmetric carbon atom?
A. `F-underset(H)underset(|)overset(Cl)overset(|)C-underset(H)underset(|)overset(Br)overset(|)C-H`
B. `H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(Cl)overset(|)C-Cl`
C. `H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(Cl)overset(|)C-H`
D. `H-underset(Br)underset(|)overset(H)overset(|)C-underset(OH)underset(|)overset(Cl)overset(|)C-CH_(3)`