$6-$ Which of the following G$-$code lines is executable on Knuth X$-$mill $900$: $(1$ ma

a$)N10G000\mathrm{.}0Y0\mathrm{.}015\mathrm{.}0J5\mathrm{.}0$

c$)N302\mathrm{.}0Y2\mathrm{.}0$

b$)$ N$20$ G$011\mathrm{.}0Z1\mathrm{.}0$

d$)N40G033\mathrm{.}0Y3\mathrm{.}016.$