Answer:
a it's the best answer
Explanation:
it's a because it makes more sense than b and c.
Explanation:
Because his dad was having a secondhand car
The sentence that would best fit at the beginning of a first paragraph and would also make the best topic sentence is: Mammoth hot springs is a popular attraction because the springs are unique. The correct answer would be option D. This sentence is the correct answer because it is the only sentence that introduces the topic.