单项选择题

From the passage, we can know that ______.

A.there may be 200 or so people infected in the Ebola outbreak near the end of 2000
B.the five viral hemorrhagic fevers can be treated identically because they have virtually identical symptoms
C.the Ebola-like hemorrhagic fever arrived in Yambic, a town in southern Sudan on Wednesday
D.Uganda health officials don't agree with Dr. Walker's suspicion about what the disease is