单项选择题

Policy-makers of the International Monetary Fund say action is needed to protect global economic recovery from the risks posed by high oil prices. At a meeting in Washington they said the recovery had been uneven with the price of oil doubling and global imbalances worsening.
The IMF reckons that the world economy will grow at about 5% this year, the fastest for three decades, but it sees problems ahead if oil prices keep rising. Higher oil prices act like a tax on spending and so jeopardize growth. The British Finance Minister Gordon Brown, who chairs the IMF’s pivotal Monetary and Financial Committee, said that the recovery had been uneven and that action must be taken to address the risks to that recovery, particularly in what he called the most vulnerable countries, poor countries which use a lot of oil

Due to high oil prices, the global economic recovery ().

A. had been speeding up
B. had been balanced
C. had been uneven
D. had been destroyed