Fill in the blanks with correct option
At the back of the eye there are light sensitive ______ which connect to a small patch of brain tissue. They also ______ to areas of the brain that _____mood and alertness.

Options

A. i) Muscle, link, regulate
B. ii) Cells, join, adjust
C. iii) Cells, link, regulate
D. iv) Cells, link, adjust

Explanation

Cells, link, regulate
Regulate- नियंत्रण करना The first blank should be a plural noun and the verb used with “brain” should be “regulate” which means “to control”.