What is the meaning of style?

[Vunny]

English Language Tests, Intermediate level

ESL/EFL Test #790 "Bats: Vocabulary Practice", question 10

Bats eat a lot of food; up to one-third of their body ......... per night.

(a) image
(b) style
(c) weight
(d) distance

English Language Tests, Intermediate level

ESL/EFL Test #790 "Bats: Vocabulary Practice", answer 10

Bats eat a lot of food; up to one-third of their body weight per night.

Correct answer: (c) weight
_________________________

what is the meaning of style

[Mister Micawber]

Don't you have a DICTIONARY?
_________________
Native English teacher at Mister Micawber's