Final answer:
The starter ring gear on both manual and automatic transmission flywheels can usually be replaced when damaged.
Therefore , the correct answer options is d)
Step-by-step explanation:
Neither - Both A and B are incorrect.
The starter ring gear on both manual and automatic transmission flywheels can usually be replaced when damaged.
According to A, a damaged starter ring gear on a manual transmission flywheel can usually be replaced. This is incorrect because the starter ring gear on both manual and automatic transmission flywheels can usually be replaced.
According to B, a damaged starter ring gear on an automatic transmission flywheel can usually be replaced. This is also incorrect because the starter ring gear on both types of flywheels can usually be replaced.