In fresco painting to what is the paint applied

A．The population is always in constant geometric growth.
B．Rapid growth is followed by a decline.
C．Decelerated growth is followed by a decline.
D．No growth at all.

A．The largest bookstore is going to accept foreign investment.
B．Xinhua bookstore is going to have a shareholding reform.
C．Xinhua bookstore must take actions according to the situation.
D．Xinhua bookstore has to keep its promise with WTO.