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.
Octopuses are mostly shy and ____ harmless to human beings.

Options

A. 1) generally
B. 2) mainly
C. 3) completely
D. 4) rarely

Answer

A

Explanation

generally (Adv.) : in most cases
rarely (Adv.) : not very often
Here, generally is the right usage.