(1) Jack had been without a car since Monday. (2) The car needed a new battery, and Jack was broke. (3) Although he was embarrassed, Jack called his mother. (4) He felt he had no choice. (5) Fortunately, his mom was happy to help out. (6) She said she had the money and could lend

Jack $65.00 until Jack's next payday.
In sentence 1, the word since is a/an
A. preposition that shows a space relationship.
B. preposition that shows a time relationship.
C. adverb that modifies had been.
D. adverb that modifies Monday.