I think its B but it Might be D but I think its B
Answer:
The paragraph first says what is being compared and contrasted, then it says what they have in common by using the word "both." The phrase "on the other hand" shows that they're being contrasted.
Explanation:
The correct answer is option A. Gantt chart. A bar graph that shows what projects or tasks are in process and how much of each is completed is called a Gantt chart. A Gantt chart is a horizontal bar graph that shows the number of work done or completed production in a certain period of time. This production tool is developed by Henry L. Gantt, an American engineer, in 1917.
If you’re trying to rewrite the sentence than B would work best
I think its B? judging the quotes he has stated.