________ we ________ much longer, we might not even have had the spot on the rooftop.

A．Should; hesitate

B．Was; hesitating

C．Did; hesitate

D．Had; hesitated

修约前数字为：23.8621（）.

A．23.2 

B．23.3 

C．23.5 

D．23.8 

E．23.9