If A is a proper subset of B and B is a proper subset of C, then?

a. A=C


b. C is a proper subset of A


c. C is an element of A


d. A is a proper subset of C

If A is a proper subset of B and B is a proper subset of C, then?
d
Reply:d ,





or 50mph I can never remember
Reply:d. A is a proper subset of C
Reply:d
Reply:D
Reply:d
Reply:D is the only one that is true.
Reply:d


just like N Z and Q work