Which one is NOT true about smallpox?

Which one is NOT true about smallpox?

A.Philip maximilian found no surviving indians in islands of massachusetts bay

B.There were no cases of europeans risking their own lives to care for their sick indian neighbors.

C.In some cases, europeans deliberately tried to spread disease

D.Despite the sharing of medical knowledge, neither europeans nor native americans could stop the spread of smallpox

E.The mortality caused by smallpox was actually a catastrophy.

正确答案是B