A．To provide liquidity to the market.
B．To keep a close watch on Wall Street.
C．To observe the influence of a sliding market on consumer confidence and give a timely response.
D．To prevent the stock market from sliding too muc

A．mandatory grants are paid by local education authorities
B．mandatory grants are only paid to students who are attending designated courses
C．mandatory grants are only paid to students who are attending non-designated courses
D．one has to satisfy some qualifying conditions if he wants to obtain mandatory grants