Test analysis: Under the market economy, the market plays a fundamental role in resource allocation. The People's Bank of China promotes the interest rate marketization reform, which can enhance the basic role of the market in allocating resources. Can improve the utilization efficiency of financial resources, ③ should be carefully selected; First, the move did not play the role of national macro-control; second, it did not meet the meaning of the question, and A and D were not selected; It is also not conducive to making up for the lack of adjustment of the original market mechanism. There is no choice C, so the answer is B.