You are right! The answer is D.
From the cuckoo bee to the bumblebee, there are roughly 800 species of bees in Canada! To attract these amazing pollinators to your garden, be sure to plant open flowers that make nectar easily accessible. And be thoughtful! Bees are unable to see the colour red, so plant posies in their favourite colours: blue, purple, yellow and white. Get a list of flowers to which bees tend to gravitate.