A、  B、  C、  D、  Bpotted plant意为“盆栽的植物”，border意为“端，边缘”，patio意为“露台”。(A)图中并没有waiter“服务生”set up some chairs“摆放椅子

(A)The handrails are being polished.
(B)The people are seated on the steps.
(C)The people are going up to the next floor.
(D)The workers are cleaning the walkway.

(A)The waiter is setting up some chairs at each table.
(B)Potted plants have been arranged along the border of the patio.
(C)Some customers are sharing a seat on a bench.
(D)The tablecloths have been removed for the evening.