---She has done rather well in Independent Enrollment(自主招生) exams.
--- .she seems to be very happy and relaxed.
A. No doubt
B. No way
C. No wonder
D. No chance
网友回答
A. No doubt
B. No way
(答案→)C. No wonder
D. No chance
解析：考查交际用语。A毫无疑问；B没门；C难怪；D没机会。根据语境“has done rather well”可知“难怪她看快乐且轻松”，故选C。句意：——她在自主招生考试做得相当不错。——难怪，她看起来非常快乐、轻松。