题目选项分析

Although the rise in incidence of communicable diseases has fueled fears that a full blown epidemic is in progress, the Surgeon General assured the reporters that his large-scale treatment plan would bring the spread of such diseases under control.

Although the rise in incidence of communicable diseases had fueled fears of a full blown epidemic that had been progressing, the Surgeon General assured the reporters that his large-scale treatment plan would bring the spread of such diseases under control.