Read the passage below and answer the question.
Somehow, it was hotter then: a black dog suffered on a summer’s day; bony mules hitched to Hoover carts flicked flies in the sweltering shade of the live oaks on the square. Men’s stiff collars wilted by nine in the morning.
In the excerpt above, the phrase "stiff collars wilted by nine in the morning" suggests that _____.
despite the heat, men still dressed up
the men in the town were vain
men's clothing appeared its best on hot days
the men were not accustomed to wearing nice clothes
