请选择ABCD/M1u(a5h6[7^1w8i,j;A3f)B/s7B7o —_________ is Mr.Black like?5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[
—He is a very nice person，and is_________ of the two engineers.5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[
A.What;more patient5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[
B.How;the most patient5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[
C.What;the more patient5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[
D.How;a patient5m-I9i'n:i/u2Z/];_(V.T1a7y-o)[