A. Never
B. Usual
C. Rare
D. Sometimes
✅ The correct answer is option C.
Never : at no time in the past or future; not ever.
Never : at no time in the past or future; not ever.
Usual : habitually or typically occurring or done.
Rare : (of an event, situation, or condition) not occurring very often.
Sometimes : occasionally, rather than all of the time.
Infrequent : not occurring often; rare.
Synonym of Infrequent is Rare