Which of the following is a sentence fragment?
a. realizing you are getting older is sobering
b. hiding in the tree fort he had built as a kid
c. knowing he would be late, she took a nap
d. checking his mail each day was always fun

answer: e

explanation:

the best and most correct answer among the choices provided by your question is the second choice.

the sentences  articulate the philosophical concept of altruism.

i hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead!

read more on -

what's the topic we have to write about?

what are the options?