各位好，想请问这题大家都怎么想的呢?
In a survey, 130 people were asked how many movies they had seen in the
preceding year. Their responses varied from 0 to 30 movies. The graphs above
show two different summaries of the samesurvey results. How many people
responded that they had seen 11 or 12 movies?
https://i.imgur.com/7KCE6jg.jpg
A.10 B.12 C.15 D.20 E.23
此题答案是给E，请问是为什么呢?(˙A˙);