关于题干的一点小疑问

一剑飘雪

哪位NN能帮我解释一下以下题干都属于哪种题型啊，假设or加强？

Which one of the following, if assumed, would allow the conclusion above to be properly drawn？

An assumption made in the explanation offered by the author of the passage is that...

The explanation offered by the author of the passage makes the assumption that ...

jbyupei

全部是假设，  但第一种的假设相当强，以至于加上它结论就充分成立