Sugar dissolves in water---that a solution is made.

选B. as a result结果 [整句：糖溶解在水里,结果溶液就制成了.]
首先,没有with the result或with the result of这种词组,排除A,D
其次,as a result of 后面必须接宾语,即“as a result of+短语”,故排除C