Studied
Thus, We clarify the signs, so they may say, “You have studied this.
6:105Thus do We display Our revelations that they may say (unto thee, Muhammad): "Thou hast studied," and that We may make (it) clear for people who have knowledge.
Lest you say, “The Book was only sent to two groups before us, and we were unaware of their teachings.”
6:156Lest ye should say: The Scripture was revealed only to two sects before us, and we in sooth were unaware of what they read;