I went to the hospital to visit a friend with ____ small flower arrangement. The nurse told me I couldn't

bring flowers into the ICU so I left them on the counter feeling really disappointed.  [      ]

A. an

B. a

C. the

D. /

下列对西汉与匈奴战争的表述，正确的是 [ ]

A．西汉政府反对匈奴南下掠夺是反侵略战争

B．西汉政府反击匈奴保持边境安全是正义之举

C．是西汉政府和匈奴争夺对西域控制权的斗争

D．是少数民族 * * 与中原 * * 争夺统治权的斗争