Select the most appropriate option to fill in the blanks.

Zebras are categorised as stocky wild horses. These mostly ________ on grass. Zebras are mostly found in the open plains or in lightly wooded areas in east and south of African continent. The zebra’s stripes are broken up with an ________outline making it very difficult to spot them against a background of tall grass.

A

food; boundary

B

feed; effective

C

serve; imaginary

D

eat; affective