In the Middle Ages, Bible stories were often carved on the wall illiterate people could understand these stori…

Question

In the Middle Ages, Bible stories were often carved on the wall       illiterate people could understand these stories.

Accepted Answer

正確答案為 C。so that 引導目的副詞子句，表示「以便、為了讓」，符合句意。

In the Middle Ages, Bible stories were often carved on the wall illiterate people could understand these stories.