32. What the leader referred to in the report was really something _______.

A．worthy to be considered

B．worth to be considered

C．worthy of considering

D．worth being considered

酪氨酸酶存在于正常人的皮肤和毛囊等处的细胞中，它能促使酪氨酸转变为黑色素，若编码此酶的基因发生了突变将导致白化病，这种现象说明（）

A.性状的改变与基因无关

B.性状能控制基因的表达

C.性状由基因决定

D.基因不能决定性状