Can you please include a photo of the passage?
The 3rd one is the answer
Is is a present tense verb.
Past of is is was and future tense of is is will/shall.
Words and phrases that tell you that the people were suspicious of the circus are “Gradually figures emerged, wary, suspicious.” and the way the people are blankly staring and began to murmur
Mitosis is probably the type of reproduction taking place because it deals with a sperm and an egg it is called (sexual reproduction)