Context: At first , her parents thought it was just a knack she had for finding keys and lost rings . Then the headaches started , and a routine bloodtest showed she was carrying the mutant gene . Her ' knack ' for finding lost keys and rings was actually a mutation .

Question: What may have happened if the mutant gene was not found ?
Options:
0. They would feel better about their situation .
1. The headaches would 've gotten worse .
2. The family would n't know that they have a mutant gene .
3. They could continue pretending everything is okay .
Answer: 2