Based on the Following Game,what Are the Secure Strategies for Player

Multiple Choice

Based on the following game,what are the secure strategies for player 1 and player 2?
$\begin{array}{c}\text { Player 2 }\\\text { Player 1}\begin{array}{|l|l|l|} \hline & \mathrm{t} 1 & \mathrm{t} 2 \\\hline & & \\\mathrm{S} 1 & 10,15 & 15,8 \\\hline & & \\\text { S2 } & -10,7 & 10,20\\\hline\end{array}\end{array}$

A) S1 and t2
B) S1 and t1
C) S2 and t2
D) S2 and t1