The correct answer is C. How texting while driving nearly ruined my life.
Explanation
Cause and effect writing is a type of writing that is used to present a situation or fact (presented as a cause) and the consequences that this brings when it occurs. According to the above, the situation of "How texting while driving nearly ruined my life" presents a cause or situation that triggers other events "texting while driving" and a consequence or effect of the first event "ruined my life". So the correct answer is C.
