N3J10 | JLPT

正答

1

この問題のポイント

行かされた（いかされた）= was made to go (causative-passive)

自分の意志に反してさせられたことは、使役受身「行かされた」で表します。

行かされた is the causative-passive, used when you were made to do something against your will.

解説

訳:
When I was a child, I was made to go to cram school by my mother even though I did not want to.

例文:
部長にお酒を飲まされた。
（I was made to drink by my manager.）

ひっかけポイント
「行かせた」は使役形で、自分がだれかを行かせた意味になります。
Ikaseta is causative and would mean I made someone else go.