Computers that once took up entire rooms are now ______ to put on desktops and into wristwatches.

A small enough

B smaller than

C as small as

D so small

Correct Answer: Option A

-enough-এর সঠিক ব্যবহার হলো "enough + noun" অথবা "Adjective/Adverb + enough"।
-small শব্দটি হলো adjective, তাই সঠিক উত্তর option A ।