—I really appreciate time to relax．
—I don’t doubt able to do so．
A. to have;you to be
B. having;that you being
C. to have;you are
D. having;that you are
网友回答
A. to have;you to be
B. having;that you being
C. to have;you are
(答案→)D. having;that you are
解析：考查非谓语动词。句中appreciate结构为appreciate doing sth. I don’t doubt后接从句，故用you are able to do so，选D。