The correct answer is B. was. Dollars are considered a singular unit here in the U.S. and thus follow the was/is rule.
Answer:
The author's purpose for writing this sentence is describing the process that goes into prepping for a marathon.
Explanation:
This is reflected because it lists a step in that process of training for the race mentioned in the first part of the sentence "before the race"
Demonstrating bravery huh? It doesn't seem too hard to explain. Say, for example your talking about a fictional story, right? Depending on what that said character does, depends on his/her bravery for he/she did. If you can implement something similar to that in whatever it was you had in mind, it might help.
I really hope this helps.
