(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 to start is a good pair of hiking shoes.
Complete the sentence with the appropriate verb. How does the first sentence in the paragraph helps to _______ the main idea?
A. explain
B. introduce
C. delay
D. specify
