Comprehension Passage
The following table shows the number of students enrolled in four different Colleges (A–D) during the four years from 2020 to 2023. Based on the data in the table, answer the questions that follow.
| Year | A | B | C | D |
|---|---|---|---|---|
| 2020 | 1200 | 900 | 1000 | 700 |
| 2021 | 1100 | 800 | 1300 | 900 |
| 2022 | 1400 | 1000 | 1200 | 1100 |
| 2023 | 600 | 700 | 800 | 1000 |
Taking all the Colleges together, the total number of students enrolled in the year 2020 is _____ more than the total number of students enrolled in the year 2023.
1
500
2
900
3
300
4
700