[求助]大全114

为什么要用to，而不是that从句？

114.        Ancient Romans found it therapeutic to bathe in cold milk, in strawberries that had been crushed, or in bathtubs filled with black caviar.

(A) to bathe in cold milk, in strawberries that had been crushed, or in bathtubs filled with black caviar

(B) that they bathe in cold milk, in strawberries that had been crushed, or in caviar that was black

(C) to bathe in cold milk, crushed strawberries, or black caviar

(D) that they bathe in cold milk, crushed strawberries, or black caviar（C）

(E) to bathe in milk , strawberries, or caviar