Please help, i think it may be C

Which of the following is true about the followina molasula? a. Molecule is capable of H-bonding, there is a bond formed by sp2 oxygen and sp3C, there is a psp2 orbital overlap, there are lone pairs in sp3 hybridized orbital b. Molecule is capable of H-bonding, there is a bond formed by sp3 oxygen and sp2C, there is a s-sp orbital overlap, there are lone pairs in p orbital c. Molecule is capable of H-bonding, there is a bond formed by sp3 carbon and sp2C, there are delocalized lone-pair electrons, there are lone pairs in sp2 hybridized orbitals