Lin Dan, the two-time defending world champion, raced to a 7-0 lead in the second game, _______ a stunned Lee Chong Wei started to even find his rhythm.
A. before B. after C. since D. once
Lin Dan, the two-time defending world champion, raced to a 7-0 lead in the second game, _______ a stunned Lee Chong Wei started to even find his rhythm.
A. before B. after C. since D. once
A