Definition: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Input: [header] How to read histograms [title] Recognize the difference between a bar chart and a histogram. [step] Bar charts and histograms are similar, but with some very specific differences. A bar chart groups numbers into categories, while histograms group numbers into ranges. <sep> (A) Histograms are generally used to show the results of a continuous data set such as height, weight, time, etc. [substeps] A bar graph has spaces between the bars, while a histogram does not. (B) The category distinction is often earned by the number of cells in a series, which are grouped together in a single column. A bar chart generally uses only the average number of cells in a row, not all of the cells in a column are in the same column. (C) These bar charts can describe what the company makes, where the bar supplies is, what temperature the bar serves and how much bar costs. To read a bar chart, find the date where the bar is located on a page you want to review and then click on it to see if the bar's location varies significantly in appearance. (D) The distinction is getting more and more narrow over time. [substeps] Determine if the bars represent the total number of calories a friend should consume per day or if they each list 10 (100 grams) total calories.
Output:
A