In a trust agreement, companies... a. Buy out stock of their competitors.
b. Buy stock in companies of trusted friends.
C. Turn over their stock to a group of trustees to create one larger company.
d. Give up their profits to a group of trustees

C.

Explanation:

A Trust Agreement can be defined as arrangement between the third party or trustees and beneficiary(-ies). In such agreements, trustees or the thhird party take care of property or holds assets for a beneficiary. A trust agreement sets out the rules to be followed by trustees, who holds the assets, for beneficiary(-ies).

Companies, who form trust agreements, do so to turn over their stocks to trustees or the third party and create one larger company.

Therefore, option C is correct.

explanation:

cause they can

your answer will most likely be a.