①互补碱基对之间氢键断裂;②互补碱基对之间氢键合成;③DNA分子在解旋酶的作用下解旋;④以解旋后的母链为模板进行碱基互补配对;⑤子链与母链盘旋成双螺旋结构.
A:①③④②⑤
B:③①⑤④②
C:③①④②⑤
D:①④②⑤③
① ____ A. he B. her C. they D. it
② ____ A. write B. slept C. wash D. fly
③ ____ A. breakfast B. meal C. dinner D. lunch