Code example $10-1($Refer to code example $10-1)$ Given the CSS that follows, how many div elements will be displayed when the container is $300$ pixels wide?main $\{$display: grid;grid$-$template: repeat $(2,50$px$)//$ repeat$($auto$-$fit, minmax$(100$px$,1$fr$))$:$\}$qquad a$.2$b$.4$c$.3$d$.1$