Answer:
C. a conversational tone.
Explanation:
A conversational tone is a characteristic of informal language because usually, when people have conversations with people they are familiar with, they use words such as "hey" "lol" and so on.
B
Helen had frequent outbursts because she needed a means of communication. Helen’s mother began looking for someone to educate Helen.
Where is the paragraph?
Sorry but i cant help without the paragraph!