What’s scouts and jems relationship like in to kill a mockingbird?

Jem's social manners are also more developed than Scout's. However, they are fond of each other (at the end of Chapter 3, Scout sweetly brings supplies to Jem in the treehouse, for example), and they are affectionate even when teasing and criticizing each other, such as when Scout mocks Jem's boasts of bravery.

Explanation:

a,b,d are the three sentences that use a reflexive pronoun