Which among the sentences has the style that is most appropriate with respect to clarity and simplicity of language?
a.) for centuries, art admirers have been digging through records of the painting to figure out its meaning.
b.) the intricacies of an abstract work of art are seldom comprehended by art enthusiasts.
c.) war campaigns are almost always rumored to be perpetrated with an ulterior motive in play.
d.) political campaigners usually designate a major fraction of the monetary contributions received toward publicity programs.

Match each persuasive technique with the excerpt that uses it. expert opinion association emotional appeal scientific data compared to the yearly average of 6.5 million square kilometers between 1979 and 2010 for september, the arctic sea ice shrank below 4 million square kilometers in september 2012, which is lower than any minimum value observed in the last three decades. (european environmental agency, “the melting arctic") arrowright according to morten olsen, chair of a recent arctic council assessment of changes on arctic snow-and ice-conditions, "changes in the climate and cryosphere risk fundamentally altering the arctic ecosystems." (european environmental agency, “the melting arctic") arrowright sip a cup of turbo brown to taste the liberating power of flying through your day's work like a cruising jet. arrowright if we don't step up our efforts, the melodious songs of these beautiful birds might be silenced forever. arrowright