The Metaphor "Kiss of the Porcupines" Refers to Which of the Following

The metaphor "kiss of the porcupines" refers to which of the following statements?

A) People are like porcupines in that they like to "burrow" into their relationships.
B) Humans have the need to be social with one another, but they often harm each other in their closeness.
C) Research has discovered that partners who have been hurt by sexual infidelity often feel like kisses from the other person are "prickly."
D) all of the above