I ________ glasses since I was in primary school and I hate them. They make me look like a bookworm.[      ]

A. have worn  

B. have been wearing

C. have been worn  

D. was wearing

下列有关核酸分子杂交的叙述，错误的是

A．杂交可发生在碱基序列完全互补的核酸分子之间

B．杂交可发生在碱基序列部分互补的核酸分子之间

C．具有双螺旋结构的核酸分子之间才能杂交

D．不同来源的DNA分子之间可以杂交

E．不同来源的DNA与RNA之间可以杂交