Which one of the following is not a surfactant?

Options

A. `CH_(3)-(CH_(12))_(15)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(N^(+))-CH_(3)Br^(-)`
B. `CH_(3)-(CH_(2))_(14)-CH_(2)-NH_(2)`
C. `CH_(3)-(CH_(2))_(16)-CH_(2)OSO_(2)Na^(+)`
D. `OHC-(CH_(2))-CH_(2)-COO^(-)Na^(+)`

Answer

B