15. 參考附圖之資料表，請問執行各選項中之語句，何者「無法」得到含 有'Spencer'的結果？
(A) SELECT userName FROM userTable WHERE age ＞ 30 AND LENGTH(userName) ＞ 5
(B) SELECT userName FROM userTable WHERE height ＞= 173
(C) SELECT userName FROM userTable WHERE (lower(userName) LIKE 's%')
(D) SELECT userName FROM userTable WHERE weight ＞= 50 and gender != 'male'

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