To ______the political heat on governments with the worst records, the WHO has taken the unprecedented step of publishing country-by-country estimates.
【正确答案】 A
【答案解析】解析：根据句意此处应为提高关注度，应填提高一类的动词。turn up“调高，提高”；bring forward“呈上，提出，显示”；put down“放下，拒绝”；make up“弥补，偿还”。故选A。