Question

are these pens_______? yes,_______are

-- Are these pens ? ---Yes, ______. A．these are B．they are C．there are D．they’re

Answer 1

B 一般疑问句的肯定形式的简短回答结构为yes，人称代词+引导词，本题的人称 代词时代替第三人称复数，故用they，引导词是be动词，故用are，故选B。