Select the sentence that uses an infinitive phrase as an object.
Christa chose to write a literary critique of the novelOliver Twist.
The main character of this book does not change at all.
The student receiving the achievement award should represent his class.
Earning money has been a difficult task this summer.
Choose your words with great care.
My job is leading people to their seats in the auditorium.

Respuesta :

The only sentence here with an infinitive phrase is the first one, and the infinitive phrase there is 'to write'. You ask the question - What did Christa choose? in order to find the object of that sentence, and the answer is 'to write'. 

A.  Christa chose to write a literary critique of the novel Oliver Twist.

An infinitive phrase will include the word “to” in addition to a verb.  For instance, “to run,” “to sleep,” and “to laugh” are all infinitives.  If the word “to” is followed by a noun, “to” would be a preposition.  And, an object is the recipient of the action/verb.  With that in mind, in Option A we can see that “to write” is receiving the action “chose,” which makes “to write” a direct object.