What is the difference between intrapersonal skills and interpersonal skills?

A. Intrapersonal skills are those that occur by yourself. Interpersonal skills are those that occur with others.

B. Intrapersonal means between two others; Interpersonal means between a group.

C. Intrapersonal entails positive self-talk, while interpersonal entails cheering others on.

D. There is no difference in these skills.