Correct option is A
The correct substitution of the highlighted segment is “one of the goals of my life.”
Error identification: The phrase "one of the goal" is incorrect because "goal" should be pluralized to match "one of the."
Grammatical Rule used: When using "one of," the noun that follows must be in the plural form.
Corrected sentence: To take my parents on a pilgrimage by plane is one of the goals of my life after getting my first salary.