向量组线性无关，且可由向量组线性表示，则r()必 ( ) r()。\n \n \n \n \n \n \n

\n \n \n \n A.\n 大于等于\n

\n \n

\n \n \n \n B.\n 大于\n

\n \n

\n \n \n \n C.\n 小于\n

\n \n

\n \n \n \n D.\n 小于等于\n