$18.$ According to the Efficients Markets Hypothesis $($EMH$),$ what is the best strategy when investing in stocks?

$($A$)$ Investing stocks with significant growth potential.

$($B$)$ Investing in stocks with a current ratio less than $1.$

$($C$)$ Investing in stocks with a price below their intrinsic value. $($D$)$ Investing in an index which tracks the overall market.