Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Grade | Points | Sit-up (reps) | Standing Broad Jump (cm) | Chin-up (reps) | Shuttle Run (sec) | 2.4km Run (min:sec) |
| --- | --- | --- | --- | --- | --- | --- |
| A | 5.0 | >38 | >238 | >10 | <10.3 | <10:41 |
| B | 4.0 | 36 - 38 | 230 - 238 | 9-10 | 10.3 - 10.4 | 10:41 - 11:20 |
| C | 3.0 | 33 - 35 | 221 - 229 | 7 - 8 | 10.5 - 10.6 | 11:21 - 12:00 |
| D | 2.0 | 30 - 32 | 212 - 220 | 5 - 6 | 10.7 - 10.8 | 12:01 - 12:40 |
| E | 1.0 | 27 - 29 | 203-211 | 3 - 4 | 10.9 - 11.0 | 12:41 - 13:20 |
Question:
Which grade did the chin-up (reps) 9-10 receive?
Answer:
B