关于β2-微球蛋白的描述，不正确的是（）

A.妊娠期体内β2-微球蛋白含量较非妊娠期增加

B.β2-微球蛋白经肾小球基底膜滤过，被肾近曲小管重吸收和降解

C.当肾小球滤过率下降时，血β2-微球蛋白值升高

D.当肾小管重吸收功能不良时，尿β2-微球蛋白值升高

E.当肾小管重吸收功能不良时，尿β2-微球蛋白值降低

The world considers Japan to be the best prepared to deal with an earthquake emergency. _______, the March 11 earthquake, followed by a strong tsunami minutes later, still left thousands of people dead.

A．Even though

B．As though

C．Even so

D．If so