在《国家高速公路网规划》确定的“7918网”中，“7”是指7条______。

A．首都放射线
B．东西横向线
C．南北纵向线
D．首都环行线

A client is admitted to the hospital in the manic phase of bipolar disorder. When placing a diet order for the client, which foods would be most appropriate

A．A bowl of soup, crackers, and a dish of peaches.

B．A cheese sandwich, carrot sticks, fresh grapes, and cookies.

C．Roast chicken, mashed potatoes, and peas.

D．A tuna sandwich, an apple, and a dish of ice cream.