What does 'comprised' mean?

[NongP]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #519 "English Slang Idioms (103)", question 1

Marcie thought that, perhaps, she made a mistake by telling the employees they could invite family members. She thought that family members meant a spouse but the people showing up in ......... appeared to be comprised of children, elderly folks and brothers and sisters.

(a) gaggles
(b) droves
(c) battalions
(d) mass

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #519 "English Slang Idioms (103)", answer 1

Marcie thought that, perhaps, she made a mistake by telling the employees they could invite family members. She thought that family members meant a spouse but the people showing up in droves appeared to be comprised of children, elderly folks and brothers and sisters.

Correct answer: (b) droves
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What is "comprised"?

Nong

[Skrej]

'Comprised' means 'made up of' or 'consists of'. Thus, the droves included children, the elderly, and siblings, not just the expected spouses.
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