Identify the infinitive phrase that is the subject of the sentence. a) to finish his exam without breaking another pencil is mike's only goal today. b) to finish his exam without breaking another pencil is mike's only goal today. c) to finish his exam without breaking another pencil is mike's only goal today. d) to finish his exam without breaking another pencil is mike's only goal today.

The answer on USA testprep is underlining "To finish his exam without breaking another pencil"

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P.S. --

The answer to your question is also this phrase

the sentence does not violate the phrase structure second rule (introduced by noam chomsky) because noun phrases consist of a determiner such as a, the or every, and a noun. in the sentence, the noun phrase the cake includes a determiner (the) and a noun (cake).

on the other hand, the first rule indicates that a sentence encloses a noun phrase, followed by a verb phrase. the example sentence can be analysed as follows:

john (n) + ate (v) + the (det) + cake (n).

answer:

a. "there, said he, there is something for you."

explanation:

"said he" should not have been part of what is in the dialogue.