6. Identify the type of pattern of idea development reflected in this statement: He studied hard for the exams, as a result, he passed the entrance test given by the state university.
A.cause & effect
B.claim and counterclaim
C.general to specific
D.problem-solution
7. In most parts of the world, there are not as many crocodiles as there used to be. This is a problem because crocodiles are becoming endangered. In order to preserve these mighty creatures, people must take care of the crocodiles' environment and help put a stop to the needless shooting of these animals.
A.cause-effect
B.claim and counterclaim
C.general to specific
D.problem-solution