设X1,X2是随机变量,且 _(1)sim N(0,1), _(2)sim N((5.2)^2), 若_(i)=P(-2leqslant (X)_(i)leqslant 2)(i=1,2), 则-|||-() ←-|||-bigcirc A.无法确定-|||-bigcirc B. _(1)=(p)_(2)-|||-bigcirc C. _(1)lt (p)_(2)-|||-D. _(1)gt (p)_(2)