Which of the underlined phrases is an independent clause?

A
While they were planning the move, Maria sat on the side, thinking about how it had all begun.

B
After such a great vacation, she didn't want to go home.

C
When he looked at his watch, he realized he would be late.

D
All of them looked at one another, wondering what the future held.

a phrase is a set of word that make a sense, an expression formed by two or more words.

" teacher´s dictum on the possession of human "

" made a pile practicing "

" lived to an impressive age and dies "

a clause, in a grammar way is a series of words that have a complete meaning.

" was irritated by the persecution of those who called themselves "

its c

explanation: