Which order is improper for amine compounds?

Options

A. Order of basicity in aq. medium:
`CH_3-NH-CH_3gtCH_3NH_2gtCH_3-underset(CH_3)underset(|)N-CH_3`
B. Order of boiling point:
`CH_3-underset(CH_3)underset(|)N-CH_3gtCH_3-CH_2-NH-CH_3gtCH_3-CH_2-CH_2-NH_2`
C. Order of basicity in gaseous state:
`CH_3-underset(CH_3)underset(|)N-CH_3gtCH_3-NH-CH_3gtCH_3NH_2`
D. The order of aqueous solubility:
`CH_3-underset(CH_3)underset(|)N-CH_3ltCH_3-CH_2-NH-CH_3ltCH_3-CH_2-CH_2-NH_2`

Explanation

Order of boiling point:
`CH_3-underset(CH_3)underset(|)N-CH_3gtCH_3-CH_2-NH-CH_3gtCH_3-CH_2-CH_2-NH_2`