(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.

3. The first sentence in the paragraph helps to _______ the main idea of the paragraph.

A. specify
B. introduce
C. explain
D. delay

Respuesta :

B. introduce.
It helps you understand that you might be talking about something that has to do with the outdoors.