Which of the following is a moment of high suspense in the story

What is the central idea of this excerpt?

Which sentence best contrasts two things? a. air travel, like bus travel, is a fun way to get from one place to another. b. air travel is a fun and relatively easy way to get from place to place. c. both bus travel and air travel require substantial planning. d. air travel is much more expensive than bus travel.

According to section four, what is the most likely reason that a polyester blend fabric would make the project more difficult for amateur quilters?