Which one of the following statements is the correct explanation of ‘Endogamy’?

These are the options for the question :Which one of the following statements is the correct explanation of ‘Endogamy’?

A. Marriage outside a kin group.
B. Marriage within a kin group.
C. A woman having several husbands.
D.A man having several wives.

The correct answer is -Marriage within a kin group