If $x$ is a char, and values is an int array, then values $[x]$

a: causes a syntax error

b: causes an Exception to be thrown

c: casts $x$ as an int based on $x\text{'}$s position in the alphabet $($for instance, if $x$ is $\text{'}a\text{'}$ then it uses $0$ and if $x$ is $\text{'}z\text{'}$ then it uses $25)$

d: casts $x$ as an int based on $x\text{'}$s ASCII value $($for instance, if $x$ is $\text{'}a\text{'}$ then it uses $97$ and if $x$ is $\text{'}z\text{'}$ then it uses $122)$

e: casts $x$ as an int based on the digit that is stored in $x($for instance, if $x$ is $\text{'}3\text{'}$ it uses $3)$ but throws an exception if $x$ does not store a digit