What Is the Strategy We Would Expect from X and Y

What is the strategy we would expect from X and Y in the following prisoner's dilemma?                                     $\text { Prisoner Y }$

$\begin{array}{l}\begin{array} { l } &\text { confess} \\\text { Prisoner X } \\&\text { remain silent } \\\end{array}\begin{array} {| l| l|} \hline {\text { confess }} & {\text { remain silent }} \\\hline 10 \text { years each } & \begin{array}{l}\text { 0 years for } \mathrm{X} \\30 \text { years for } \mathrm{Y}\end{array} \\\hline \begin{array}{l}\text { 0 years for } \mathrm{Y} \\30 \text { years for } \mathrm{X}\end{array} & \text { 2 years for each } \\\hline\end{array}\end{array}$

A) Both prisoners to remain silent
B) Both prisoners will confess
C) There is no single predictable strategy
D) X will confess.Y will remain silent