life could develop only if the planet is just the right distance from its sunA .even though b.if only c.even if d.only if并解释为什么选d

分类: 作业答案 • 2022-01-04 12:16:50

问题描述：

life could develop only if the planet is just the right distance from its sun
A .even though b.if only c.even if d.only if
并解释为什么选d

答

even though 甚至
if only如果...就好了...
even if即使
only if只有