According to the passage, where did the first colors for painting come from

A．Xinhua bookstore's reform will be revealed in details.
B．The reforms have been reported to the government.
C．Xinhua bookstore will soon accept foreign investment.
D．The source said we didn't have to remain the majority shareholder.

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.