The doctor came to the conclusion _ patient was suffering from cancer.A.that B.which C.and D.howthat,为什么呢?可以两个that连用的吗?

The doctor came to the conclusion _ patient was suffering from cancer.A.that B.which C.and D.howthat,为什么呢?可以两个that连用的吗?
The doctor came to the conclusion _ patient was suffering from cancer.
A.that B.which C.and D.how
that,为什么呢?可以两个that连用的吗?

The doctor came to the conclusion _ patient was suffering from cancer.A.that B.which C.and D.howthat,为什么呢?可以两个that连用的吗?
that 为连词引导定语从句
patient was suffering from cancer是修饰the conclusion

D

A 这是that 引导的同位语从句，做the conclusion 的同位词，that只做引导词，没有意义