Assuming the three assumptions behind the development of the Capital Asset Pricing Model then which statement below is true

A$)$ There is one risky portfolio that all investors will hold and that portfolio is the market portfolio

B$)$ Assuming w is the percentage of money invested in the market portfolio, then if you want more risk than the market portfolio, w $>1$

C$)$ Assuming w is the percentage of money invested in the market portfolio, then if you want less risk than the market portfolio, w $<1$

D$)$ All of the above statements are true