I'm 100% sure it's not C or D so just pick between A and B, because C is a noun and D is a noun and a verb
The answer to the first question is false and the answer to the second is false as well
villi is the pleural of villus and villus refers to the finger or thread like projections of specific membranous structures often serving in the capacity of increasing surface area and to facilitate the passage of fluids or nutrients
The appropriate response is an object. For the motivations behind this kind of educational discourse, anything that is unmistakable and substantial is viewed as an object. Object talks look to confer information about this question the crowd. It's one thing to gush off actualities around an object, however, there must be a reason to those realities.