The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.
- Aallow that it can draw in its exposed parts such that 分析A选项
- Ballow it to draw in its exposed parts, and so 分析B选项
- Callows for it to draw in its exposed parts and that 分析C选项
- Dallows that it can draw in its exposed parts, and so 分析D选项
- Eallows it to draw in its exposed parts, so that 分析E选项