Prepositional Phrase: On the bike
Preposition: On
Object of preposition: Bike
Answer:
here you go
OPTION A IDENTIFIES THE MAIN IDEA IN THE TEXT
Your answer is 2. Look at the surrounding text for clues about that idiom
Your doctor is worried about you competing in the play-offs this weekend.
The word that correctly completes the sentence is you.
The most accurate way to describe the excerpt is to choose the option - it is a dependent clause. This means that something needs to be added - you need to finish the sentence so that it becomes an independent clause, and not a subordinate one.