38.It was the A/N1H1 epidemic ---- spread almost throughout

38.It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.
A.that…that B.that…which C.what…that D.that…what
40.The athletes,especially the winners,should remain modest ____ rapid progress they’ve made.
A.however B.how much C.whatever D.no matter