A:
the penis attempts to but does not penetrate the vagina
B:
one has sex with a woman incapable of giving consent
C:
one has sex with wife with her consent
D:
one has sex with a woman of age less than 18 years
Explanation
C: one has sex with a wife with her consent.
However, it is crucial to note that consent within a marital relationship can vary based on the laws of the specific jurisdiction. In many legal systems, the concept of marital rape recognizes that consent is required even within a marriage. Laws regarding marital rape differ across countries, so it's important to refer to the specific legislation applicable in your jurisdiction.