Who consecrated Augustus Toebbe as a bishop on January 9, 1870?

A. Pope Pius IX and Bishop Sylvester Horton Rosecrans
B. Bishop John Luers and Bishop William George McCloskey
C. Bishop Sylvester Horton Rosecrans, with Bishops John Luers and William George McCloskey as co-consecrators
D. Augustus Toebbe himself, in a self-consecration ceremony
Answer: 