Select the correct answer. Read this excerpt from The Story of My Life by Helen Keller. What did Helen Keller understand about herself after learning how to sign the word water?

Someone was drawing water and my teacher placed my hand under the spout. As the cool stream gushed over one hand she spelled into the other the word water, first slowly, then rapidly. I stood still, my whole attention fixed upon the motions of her fingers. Suddenly I felt a misty consciousness as of something forgotten–a thrill of returning thought; and somehow the mystery of language was revealed to me. I knew then that "w-a-t-e-r" meant the wonderful cool something that was flowing over my hand. That living word awakened my soul, gave it light, hope, joy, set it free! There were barriers still, it is true, but barriers that could in time be swept away.

A.
She learned that she loved Anne Sullivan.
B.
She learned that she could overcome obstacles.
C.
She learned that she could feel different temperatures.
D.
She learned that she could feel remorse for bad behavior.