11. This question is based on the following passage. The sentences are numbered to help you answer the question.

(1) Do you enjoy being out in the fresh air? (2) Does nature restore your spirits? (3) You might want to consider hiking as a hobby. (4) It's a hobby you can begin with very little expense. (5) All you need is a good pair of hiking shoes.

Which sentence is the topic sentence?

A. Sentence 3
B. Sentence 4
C. Sentence 2
D. Sentence 1

(It's not copy and pasted apologies for any grammatical mistakes short on time.)