ANSWER A B C OR D
Explain where transition words and phrases should be placed in an essay?

Transitional words should appear in the concluding sentence of each paragraph.
Transitional words and phrases should occur at the beginning of paragraphs and between differing ideas within a paper.
Transitional words and phrases can be fitted in when the paper is read out loud and should occur naturally.
Transition words and phrases must always be placed between different sources.