The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom ?

rH=0.529ÅA rn=rH×n2ZFor Li2+(n=2),rLi2+=rH×(2)23=rH×49For Li2+(n=3),rLi2+=rH×(3)33=3rHFor Be3+(n=2)rBe3+=rH×(2)24=rHFor He+(n=2)rHe+=rH×(2)22=2rH