[单选题]
1. Which bonds are responsible for the cohesive properties o.)1,/sf c,qk:f xln-pb; tz(nvc/dqys z ly3vf wate)6sulu-n(nby 9d ub j 7x5ym+xr molecules?
A. Hydrogen bonds between water molecules
B. Hydrogen bonds within water molecules.
C. Covalent bonds between water molecules.
D. Covalent bonds within water molecules.