Can we say maintaining the order of the crowds?

English Language Tests, Intermediate level

ESL/EFL Test #83 [color=blue]“Save Our Animals (3)”, question 9

A police officer on horseback was the crowds and she found herself being gently moved by the horse.

(a) controlling
(b) maintaining
© conducting
(d) driving

English Language Tests, Intermediate level

ESL/EFL Test #83 [color=blue]“Save Our Animals (3)”, answer 9

A police officer on horseback was controlling the crowds and she found herself being gently moved by the horse.

Correct answer: (a) controlling

Your answer was: [color=red]incorrect
A police officer on horseback was maintaining the crowds and she found herself being gently moved by the horse.
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Can we say “maintaining the order of the crowds”?

thanks.

Yes, you could say something like that, but I think it would be ‘maintaining order in/among the crowds’.