be-tray tells you the number of syllables in the word.
v. gives the part of speech
\bê - trâ\ determines the word's pronunciation
to lead astray AND to give to an enemy by treachery give the meaning of the word betray.
Middle English, from be- + trayen (to betray) is the origin of the word betray
There was no information labeled "2" so I've tried to match the options with each part of the dictionary entry. I do not see any part of the dictionary entry that would match the option of finding a synonymous phrase.
The best use of the information labeled 2 in the entry above is checking the part of speech. The correct option is B.
The part of speech tells about how the words works in a sentence.
There are eight part of speech in English grammar. They are: noun, pronoun, verb, adjective, adverb, preposition, conjunction, and interjection.
Thus, the correct option is B. checking the part of speech.
Learn more about part of speech
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