A. In general, though it is preferable to studying English in a speaking country, a reasonable level of English can be achieve only in one’s own country if a student's gifted or dedicated.
B.In general, though it is preferable studying English in a speaking country, a reasonable level of English can be achieve in one’s own country, if the student is gifted or dedicated.
C.In general, though it is preferable to study English in an English speaking country, a reasonable level of English can be achieve in one’s own country, if a student is gifted or dedicated to study.
D.In general, though it is preferable to study English in an English speaking country, a reasonable level of English can be achieve only in one’s own country, if the student is gifted or dedicated to study.
