The sentence where the phrase is underlined is:
- I helped my younger brother <u>build a sand castle at the beach.</u>
<h3>What is the underlined phrase?</h3>
The underlined phrase refers to the group of words that are emphasized with the underlining symbol. A phrase is also a group of words that do not make complete meaning on their own.
In the text above, the underlined phrase is: build a sand castle at the beach. The phrase might have been underlined because the writer wants the reader to note something about it.
There are other techniques that might be employed by writers who want a reader to note something about the subject in question. The italics are some of them. Italicized words appear in a slanting position that will help readers to see that there is something worthy of note in the text.
The bold forms such as the ones used in this text can also be used to draw attention to the main points. So, option A is correct.
Learn more about underlined phrases here:
brainly.com/question/11016829
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