A. foreign
B. extraneous
C. unusual
D. exotic
✅ The correct answer is option A.
foreign : of, from, in, or characteristic of a country or language other than one’s own.
foreign : of, from, in, or characteristic of a country or language other than one’s own.
extraneous : irrelevant or unrelated to the subject being dealt with.
unusual : not habitually or commonly occurring or done.
exotic : originating in or characteristic of a distant foreign country.
alien : belonging to a foreign country.
Synonym of alien is foreign