I would probably say remembering or understanding. The best one is probably understanding.
Answer:
B.
Explanation:
A and C have awkward sentence structure because "when a car needs many serious repairs, it might be cheaper to buy a new car", it repeats the word car again making it redundant and in C, "When a car had needed many serious repairs, it might be cheaper to buy a new one", it has wrong use of past-tense.
Answer:
what is ur father 's name
Explanation:
Answer:
C. a video including a chart with medical facts
Explanation:
the other ones don't relate to what would be presented in a serious tone.