答案：D.
翻譯：他做的關(guān)于足球比賽的演講讓很多球迷感到厭煩/無聊/枯燥至極.
1.樓上解釋已經(jīng)比較好了,現(xiàn)做進一步補充.
2.句子主干是：The speech bored a lot of fans to death.
即主語是the speech,謂語是bored,賓語是a lot of fans.
所以which he made _________ the football match是定語從句,修飾句子主語the speech.
3.將定語從句的關(guān)系代詞which所代指的先行詞the speech代入該定語從句中,充當(dāng)made的賓語,即為：
(which) he made concerning the football match
= he made (which) concerning the football match
= he made (the speech) concerning the football match
4.concerning為介詞,相當(dāng)于about/on,意思是“關(guān)于”.
則concerning the football match為介詞短語做后置定語,修飾the speech.
它和前面的made沒有什么關(guān)系.