Assertion: Good conductors of heat are also good conductors of electricity and vice-versa.

• A. Reasons: Mainly electrons are responsible for these conductors.
• B. Both assertion and reason are true and the reason is the correct explanation of the assertion
• C. Both assertion and reason are true but the reason is not a correct explanation of the assertion
• D. Assertion is true but the reason is false
• E. Both assertion and reason are false