$4\mathrm{d},5\mathrm{p},5\mathrm{f}\text{ and }6\mathrm{p}$ orbitals are arranged in the order of decreasing energy. The correct option is

• A

  $5 \mathrm{f}>6 \mathrm{p}>4 \mathrm{d}>5 \mathrm{p}$

• B

  $5 \mathrm{f}>6 \mathrm{p}>5 \mathrm{p}>4 \mathrm{d}$

• C

  $6 \mathrm{p}>5 \mathrm{f}>5 \mathrm{p}>4 \mathrm{d}$

• D

  $6 \mathrm{p}>5 \mathrm{f}>4 \mathrm{d}>5 \mathrm{p}$