The answer it's variant A.themselves because it's an indirect object in dative case
A expirement hoped it helped
I think because is your best option.
Jsjejejejwjejsjwjwjsjwjjewjja
Hi !!
The correct subject-verb agreement is ===>
A- Several of the workers <u>are</u> on their luch break.
The indefinite pronouns as <em>both, many, few, others, several </em>are plural
hope this helps ☺☺☺
