The door slamming caused the dog to spring into the air. In the sentence above, the word spring means A. one of four seasons. B. a source of water. C. to leap or jump. D. a coil of wire.

C

Explanation:

Use the words around, the words "door" and "slamming" would suggest that it was loud and unexpected, and therefor startled the dog. Which would make it "leap or jump"

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices