End vs. Finish

They wanted their daughter to improve her social skills and sent her to the famous … school in Switzerland.

(a) ends
color=red ending
© finishes
(d) finishing
The correct answer is ending. Can you explain the words end and finish. And what does the ending in this sentence mean?
Thanks you very much

Dear Jean,

Please post your question here: english-test.net/forum/ftopic1409.html#4329

Many thanks,
Torsten[YSaerTTEW443543]

TOEFL listening lectures: A university lecture by a professor of Social History[YSaerTTEW443543]