Question 8 of 10 Which of these is an inappropriate shift in verb tense?
Marvin walked along the shadowy sidewalk quickly. Suddenly, he heard
the crack of a twig behind him. He turns around to see someone was
following him. A chill ran down his spine.
A. ran
B. turns
C. heard
D. was following

B Turns.

Explanation: If you begin with a verb in the past tense, do not switch to a verb in the present tense.

the correct answer is the first option "the bolkshevik revolution". the passage makes reference to many of important events that occured in the revolution, such as the assemblies, in this case the animals are gathered in an assembly after a protest, the murder of fellow partners, the speeches given by the leader of the revolution, among other aspects. the last choice is possible, but in this passage in particular it is not emphasized the fight between the characters, that is the two pigs, that represent lenin and stallin.