Question

     Jack had a fever,       he finishing doing his homework yesterday.  

A．Although; but

B．But; although

C．Although; /

D．/;although

Answer 1

C

考查连词：Although…but，虽然，但是，这个结构不能同时使用，句中有了Although，后就不能用but，同样后面有了but，前面就不能用Although了，所以选C。