Polysaccharides are
_ (select all that apply)
a carbohydrates.
b polymers.
c proteins.
d nucleic acids.
e lipids.

it's answer a

carbohydrates

Explanation:

a carbohydrate (e.g. starch, cellulose, or glycogen) whose molecules consist of a number of sugar molecules bonded together.

a-carbohydrates and b-polymers

Explanation:

Polysaccharides are polymers constructed of many simple sugars (carbohydrates).  Polymers are complex molecules made of simple molecules called monomers.  In the case of carbohydrates, starch is an exapmle of a polysaccharide made of many glucose molecules which are the monomers in this example.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.