Which of the following has/have asymmetric carbon atom?

Options

A. `H-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) -D`
D. `H-underset( Br) underset( |)overset( H)overset( |)(C) -underset( OH ) underset( |)overset( H) overset(|)(C) -CH_(3)`