47. (2018南京)—Hi, Nora. Is your mother at home?
—Just a minute! She ________ flowers in the garden.
A. plant  B. is planting  
C. planted  D. was planting
47. B【解析】考查现在进行时。句意“嗨，诺拉。你妈妈在家吗？”“稍等一会。她正在花园里种花。”由语境可知妈妈正在花园里种花。故选B。