Answer:
D.) Jacob was not sure what made him turn around and go back home. However, he sure was glad he had. When he got there, he realized that he had accidentally let the cat escape before locking the front door. What a catastrophe that would have been! And what would his mom have said?
Explanation:
Exclamation marks are punctuation marks used to exclaim or express emotions.
The phrase "What a catastrophe that would have been" is an exclamatory sentence, has an emphatic declaration and thus, requires an exclamation mark.
The phrase "And what would his mom have said" is a question and is meant to carry a question mark at the end of the sentence.
