In which of the following sentences is the phrase underlined (I’m on my phone so I can’t underline)

A. I helped my brother build a sand castle _at_the_beach_.
B. _My_brother_dug_ a giant hole using only a small pail and shovel.
C. After we built a sand castle, _we_jumped_ into the ocean for a swim.
D. At high tide, _our_sand_castle_was_washed_away_ by the waves. ***

It would help if you proofread your questions before you posted them.

Need to complete your question.

It’s a retest by the way

To identify the underlined phrase, we can examine each sentence:

A. The underlined phrase in Sentence A is "at the beach."

B. The underlined phrase in Sentence B is "My brother dug."

C. The underlined phrase in Sentence C is "we jumped."

D. The underlined phrase in Sentence D is "our sand castle was washed away."

Therefore, the underlined phrase is in Sentence D.