He argued smoking and insisted that it was argument that smoking was harmful to health.

问题补充：

He argued smoking, and insisted that it was argument that smoking was harmful to health.

A. for; beyond

B. against; over

C. for; over

D. against; beyond

答案：

A. for; beyond

B. against; over

C. for; over

(答案→)D. against; beyond

解析：考查介词。against 是反对的意思；而beyond argument无可争辩。句意：他反对吸烟，并坚持认为吸烟对健康有害是无可争辩的。