Which statement about comments is false? Select one: a. Lengthy comments can cause poor execution-time performance. b. Comments do not cause any machine language object code to be generated. c. Comments may begin and end with /* and */, respectively. d. Programmers insert comments to document programs and improve program readability.

The answer is "Option a".

Explanation:

In programming, the Comment is also known as the description of the source code or the program, which increases the readability of the programmer.  It aims to facilitate understanding of it's code to humans, and when we this code the compilers and interpreters typically avoid it, and correct choices can be defined as follows: