Answer - Infinitive
A verb that starts with "to" is in an infinitive verb form. Typically, an infinitive can function as adverbs, adjectives or as nouns; it usually does not function as a verb. Also, an infinitive <span>has no inflection binding it to a particular subject or tense.</span>
Answer:
During the long voyage, Darwin made many observations that helped him form his theory of evolution. For example: He visited tropical rainforests and other new habitats where he saw many plants and animals he had never seen before
Explanation:
D would be the answer because an imperative sentence is more of a request
