Note that this question consists of three parts. Be sure to select one answer from each of the three parts.

Suppose A=(−[infinity],1], B=[1,[infinity]), and C=[0,[infinity]) are all subsets of R.

(1) Which of the following correctly describes the cardinality of the set A∩B ?
(2) Which of the following correctly describes the cardinality of the set A−C ?
(3) Which of the following correctly describes the cardinality of the set Q−Z ? (Where Q denotes the set of all rational numbers and Z denotes the set of all integers.)Option for question 1-3(A) Finite(B) Countably infinite(C) Uncountably infinite