Select the sentence in which all pronouns are used correctly.
a. just between you and i, i am not impressed by our new manager.
b. i hope she will keep this between she and i.
c. i sat between him and her during the sales conference.
d. be sure to divide all income from the suburban property between he and i

The sentence in which all pronouns are used correctly is C. I sat between him and her during the sales conference. A is incorrect because it shoud be "between you and me." B is incorrect because it should be "between her and me." D is incorrect because it should be "between him and me." Objective pronoun has to be used with the preposition between.