Support your ideas with reliable sources. Do research, and don't shy away from citing a few supporting sentences into your work. As long as you properly site all sources, these are some great ways to strengthen your ideas.
Answer:
She developed hand gestures, to me it was almost a simpler version of sign language.
Explanation:
By age 7, Keller had developed nearly 60 hand gestures to communicate with her parents and ask for things. However, she was often frustrated by her inability to express herself. With the help of her teacher, Anne Sullivan, Keller learned the manual alphabet and could communicate by finger spelling.
B. The delivery boy gently handled the package.
This is because gently, the adverb, is explaining the verb, handled, making it an adverbial phrase.