下列叙述正确的是 [    ]

A．95℃纯水的pH <7，说明加热可导致水呈酸性

B．pH =3的醋酸溶液，稀释至10倍后pH =4

C．0.2 mol/L的盐酸，与等体积水混合后pH =1

D．pH =3的醋酸溶液，与pH =11的氢氧化钠溶液等体积混合后pH =7

The young lady________a cry of surprise when she saw something strange moving in the dark.[    ]

A. gave off  

B. made out

C. sent out  

D. let out