The answer is parts of speech
Written sentence has a formal style and tone.
The passage that shows a sequential organization is C.
Because it goes from one action to another and another, showing that you must follow a sequence or organization. In phrases like that one, it is normal to see words like first/firstly/ First of all, second/secondly, then, after that, as soon as, Finally, next, etc. in order to let you know wich is the order of the action.
Answer:
He researched the test and read about it.
Explanation:
