All of the following are considered to be "custodial property" that can be given by a donor to a minor under the uniform gifts to minors act or the newer uniform transfer to minors act except:
(a) bearer bonds
(b) a life insurance policy
(c) an annuity contract
(d) a futures contract

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

B.) falsehope this !