题目

Night after night，she came to tuck(盖被子) me in，even long after my childhood years. _______ her long­standing custom，she'd lean down and push my long hair out of the way，then kiss my _______.I don't remember when it first started annoying me—her hands pushing my hair that way. But it did annoy me，for they felt rough _______ my young skin. Finally，one night，I _______ at her：“Don't do that any more—your hands are too rough！” She didn't say anything in _______. But never again did my mother _______ my day with that familiar expression of her love. Lying _______ long右图是某狗的尿液中Na+、K+和尿素浓度变化，其中a时给该狗注射过某种物质，则该物质最可能是 （  ）A．胰岛素B．生理盐水C．抗利尿激素D．5%的葡萄糖液