Answer:
Option D
Step-by-step explanation:
Intimacy means to have a close relationship with one close to you, it could be sexually ,it could be affectionate it could be something more than a relationship. From the Above question, it involves a partner ,an adult partner, in a relationship ,affection is inclusive and sex could also be inclusive ,if more details about the question is reviewed, we can determine more about the intimacy, but most intimate relationship leads to sex and affection, that is why option C is better because it includes option A and B, affection ,shared thoughts.