Answer:
C
Explanation:
I am not one hundred percent sure but I hope it can help
The subordinate clause in this sentence is because I forgot to buy milk. The whole sentence is used as an adverb. Adverbs are used to answer questions such as where, when, or in this case, why.
Why did I have root beer in my cereal? Because I forgot to buy milk.
D, First person narrative uses I, me, my, etc.
The answer is B since because it is combining two sentences together
