○　正解です。

To look forward to something means you want or hope this thing will happen. (楽しみにしています） For example : I'm looking forward to seeing you.

To look for something means to search for something. (探す） For example : I'm looking for my pen.

To look after somebody or something means to take care of a person or a thing. (面倒をみる）For example : I'm taking care of my sick son this weekend.