He asked me ________ Robert and I said I did not know ________ A. that did I know / who were Robert B. that I knew / who Robert were C. if I knew / who Robert was D. whether I knew / who wa
He asked me ________ Robert and I said I did not know ________
A. that did I know / who were Robert
B. that I knew / who Robert were
C. if I knew / who Robert was
D. whether I knew / who was Robert