According to 'Chinese Capital Market: An Empirical Overview', which of following statements about

different types of shares in Chinese stock market is CORRECT?

Select one:

a$.$ A Shares used to be traded exclusively by foreign investors in $1990$ s$.$ Since early $2000$ s$,$ this market was open to domestic

individual investors.

b$.$ Shares represent the shares listed on the two main stock exchanges that are denominated in RMB$,$ which comprise more

than $90\%$ of all shares traded in China.

c$.$ On the Shanghai Stock Exchange, prices are denominated in U$.$S$.$ dollars while on the Shenzhen Stock Exchange prices are

denominated in Hong Kong dollars.

d$.$ H Shares refer to shares of companies registered from Hong Kong but listed and traded on the Shanghai and Shenzhen

Stock Exchanges.