A country has four groups of people. The table below describes some social indicators of these groups. Identify the group that is the most vulnerable.
| Groups | Literacy Rate (%) | Life Expectancy(years) | Unemployment rate (%) |
| A | 74 | 82 | 5 |
| B | 93 | 80 | 10 |
| C | 63 | 78 | 15 |
| D | 65 | 78 | 19 |
A
B
C
D
