Sagot :
"I agreed with the speaker; as a result, I clapped very loudly when the speech was over" is the best sentence from the list. The semicolon is used very well here.
The sentence that uses correct puntuation is, "I agreed with the speaker; as a result, I clapped very loudly when the speech was over."
A semi-colon is used after speaker to separate two ides and to avoid a run-on sentence. A comma should always be used after a transitional phrase, such as a result, likewise, finally, etc...