Direction: In these questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
There are not solitary, free-living creatures , every form of life is _______ other forms

Options

A. 1) dependent on
B. 2) parallel to
C. 3) overshadowed by
D. 4) segregated from

Answer

A

Explanation

dependent on (Adj.) : needing somebody/something in order to survive or be successful
Here, dependent on is the right usage.