Q $26(4$ pts$)$ In Fig $1,$ using STATIC Scoping, what is the referencing environment if in F$4?$

a$)\{$Global :$($X and A and B$),$ F$1$:W$,$ F$4$:B$\}$

b$)\{$MAIN: X$,$ F$1$:W$,$ F$3$:A$,$ F$4$:B$\}$

c$)\{$Global :A $,$ MAIN: X$,$ F$1$:W$,$ F$4$:B$\}$

d$)\{$Global :$($X and A$),$ F$1$:W$,$ F$4$:B$\}$

e$)$ Can$$t tell by looking at fig $1.$