Which of these is a typical property of a substance that is composed of atoms that are held together by covalent bonds?
a. it conducts electricity when in solid form.
b. it conducts electricity when in molten form.
c. it conducts electricity when it is dissolved in water.
d. it does not conduct electricity in any form.

Usually compounds that are composed of atoms held together by covalent bonds do not conduct electricity in any form.

(substances that have metallic bonding conduct electricity in solid form. Substances that have ionic bonding conduct electricity in molten form and when dissolved in water.)  

I hope this helps.  Let me know if anything is unclear or if you need more information as to why this is the case.

Ithink its solid. hope this