Consider These Two Investment Strategies Strategy ___ Is the Dominant Strategy Because _________

Consider these two investment strategies: $$\begin{array} { l c c } & \text { Strategy 1 } ( \% ) & \text { Strategy 2 } ( \% ) \\\hline \text { Expected return } & 6 & 9 \\\text { Standard deviation } & 0 & 4 \\\text { Highest return } & 6 & 15 \\\text { Lowest return } & 6 & 6\end{array}$$
Strategy ___ is the dominant strategy because _________.

A) 1,it is riskless
B) 1,it has the highest reward/risk ratio
C) 2,its return is at least equal to Strategy 1 and sometimes greater
D) 2,it has the highest reward/risk ratio
E) both strategies are equally preferred.