治疗白化病等人类遗传病的根本途径是( )
A:口服化学药物
B:注射化学药物
C:利用辐射或药物诱发致病基因突变
D:采取基因工程技术替换致病基因
—Did you get up late this morning?
—Yes, so after______quick breakfast, I had to run to office