39. Which of the following is NOT compatible with the Communicative Approach?
(A) Students need to learn not only what to say but also how to say.
(B) Authentic materials as used in the real world are introduced.
(C) Errors are tolerated during fluency-based activities.
(D) Functional and structural syllabus are employed to facilitate form-function mappings.  

Communicative Language Teaching (CLT)

(ch9, p.152-171)

1. In short, being able to communicate required more than linguistic competence; it required communicative competence (Hymes 1971)—knowing when and how to say what to whom. (A)
2. Another characteristic of CLT is the use of authentic materials. It is considered desirable to give students an opportunity to develop strategies for understanding language as it is actually used. (B)
3. Errors of form are tolerated during fluency-based activities and are seen as a natural outcome of the development of communication skills. (C)

Source: Techniques & Principles in Language Teaching 

(D) Form-Function Mapping in Content-Based Language Teaching
https://www.springer.com/gp/book/9783030046989