Correct option is A
Types of Lines in Engineering Drawing: Different types of lines are used in engineering drawings to indicate specific details. Among them:
Long dashed double dotted narrow line: Used to represent the extreme positions of moving parts.
Continuous thin line: Typically used for dimensioning, projection lines, or leader lines.
Continuous wavy line: Often used to indicate limits of partial views or sections.
Continuous thick line: Represents visible edges or outlines.