The highest line of sloping roof, where two opposite slopes meet, is known as A. Rafter B. Ridge C. Crown D. Eave

Rafter
Ridge
Crown
Eave

The correct answer is: B. Ridge

A ridge is the highest line of a sloping roof, where two opposite slopes meet. It is usually made of wood or metal and is covered with shingles or other roofing material.

A rafter is a structural member that supports the roof of a building. It is a long, sloping beam that runs from the top of the wall to the ridge of the roof.

A crown is the topmost part of a building, such as a castle or cathedral. It is usually decorated with turrets, pinnacles, and other architectural features.

An eave is the part of a roof that projects over the wall of a building. It protects the wall from rain and snow.