The correct option is
B A- 2, B- 3, C- 4, D- 1
The period from birth to the natural death of an organism represents its life span.Life Span of Cow is approx 15 years.
Life Span of Budgerigar Parakeet is approx 4-7 years.
Life Span of Horse is 60-65 years.
Life Span of Banyan tree is approx 200-400 years. Therefore correct answer is option B.