Consider the following linear program, where A and $B$ are the two decision variables: Max $1A+2B$

S$.$t$.A5$

$(1)$

$B4$

$(2)$

$2A+2B12$

$A,B0$

Which of the following points is feasible?

A$.(4,1)$

B$.(6,0)$

C$.(0,6)$

D$.(5,4)$