The correct answer is Option 2) i.e. B. Key Points The sentence 'he would had been stable for life' is incorrect.❌ The use of 'had' is incorrect. The sentence indicates that a result is being expressed that is contrary to the current scenario ('he' has not got the job at the current moment) this indicates that the given sentence is in the in type 3 conditional sentence, Type 3 has the following structure: If clause Main clause If + past perfect perfect conditional or perfect continuous conditional If this thing had happened that thing would have happened. (but neither of those things really happened) OR that thing would have been happening. If you had studied harder you would have passed the exam. This type of conditional sentence indicates that "if" something would have happened, something else could have followed. The “if” clause in third conditionals is in the past perfect verb tense because it has already happened. The result clause still uses “would,” but adds “have” for the perfect conditional verb tense ‘would have + verb’ In the given sentence 'he would had been stable for life ' this sentence is perfect conditional. So instead of 'had' we will write 'have' with been and followed by 'stable'. ✔️ ?Correct sentence: If my nephew had gotten the job, he would have been stable for life. The prospects seemed good at the time, however, things did not pan out.✔️