Determine the corrections or otherwise of the following assertion [A] and reason [R]:Assertion [A]: Maintaining smooth longitudinal contour in fuselage will give better aerodynamic design.Reason[R]: Longitudinal control lines are used to provide smoothness to the fuselage.

• A. Both [A] and [R] are true and [R] is the correct reason for [A]
• B. Both [A] and [R] are true but [R] is not the correct reason for [A]
• C. Both [A] and [R] are false
• D. [A] is false but [R] is true