Respuesta :
The last one is correct.
We will plant some vegetables (broccoli, cauliflower, and brussels sprout) in our fall garden.
We will plant some vegetables (broccoli, cauliflower, and brussels sprout) in our fall garden.
It really should be... We will plant some vegetables; broccoli, cauliflower and brussel sprouts, in our fall garden.
so the best answer is #4
so the best answer is #4