Answer:
I want to say A - mysterious but not 100% sure
B. to cook
An infinitive almost always begins with “to” and is followed
by the basic form of the verb. It is usually in this form:
To + Verb = Infinitive
An infinitive is NOT a verb, so s, es, ed, or ing should not
be added to the end. Infinitives can be used as nouns, adjectives or adverbs.
According to the pattern of what an infinitive should be, “to cook” is the
infinitive of this sentence and it functions as a noun.
For your question the answer is Affect
Travelogue is a literary genre that tells about travel experiences of the autor. In this case, options B, D and E describe the literary elements present in a travelogue.
Meaning if you have the same enemy, you guys are friends (common enemy)