A:塞紧橡皮塞
B:加热液体
C:取用液体
D:读出液体体积
When the clerk saw a kind face wrinkled in an apologetic smile, she stood rooted to the ground, ________ whether to stay or leave.
A. Great.
B. Thank you.
C. Sure.
D. It's rainy.
读图,回答下列问题。