Which sentence has an infinitive that functions as an adverb?
a. after the study of lizards, the naturalist planned to travel to remote lizard habitats. b. the librarian’s suggestion—to read the newest magazine article about large lizards—was a good one!
c. all of the students expressed their desire to see the series chronicling the life of a komodo dragon.
d. everyone in the group thought the komodo dragons were interesting to see.

A. After the study of lizards, the naturalist planned to travel to remote lizard habitats.

Explanation:

In this case, after the study of lizards, the speaker planned something. What he planned is modified by another verb. He planned "to travel to remote lizard habitats."

So, in this case, we have an infinitive phrase where "to travel" is modifying the verb "to plan."

recent news about two years ago indicates that a polish forestry student by chance unearthed at a depth of about 40cm (16 inches), during digging in a damp polish forest he found a 13-page manuscript into a thermos flask.

greek jew marcel nadjari was a aischwitz slave who witnessed how the nazi's built big death chambers and crematoriums and told how he was forced to escort fellow jews to the gas chambers. he accounts on this manuscript how the nazi's disguised this chambers to look like showers. also, he describes this place as a process of extermination from the chambers to the trains arriving to take the bodies.

i think the answer is c