When talking about asexual reproduction, we know there are different ways to do it and several organisms use them. The main thing here is you have only one parent, and there's no crossing over so the genetic variation is low.
Option C is correct.
We know bacteria use the asexual reproduction, some amoeba, and even some algae.
Option A is correct.
When we get into eukaryotic organisms, you'll found that most fungi and some plants use asexual reproduction. Not only unicellular organisms.
Option B is correct.
Option D is not.
