pls help me in this question

Which of the following references elements of the compilation phase of a DATA step in the correct order? Select one: O a. Tokenization - Check for syntax errors - Create IB and PDV - Create descriptor portion O b. Tokenization - Create descriptor portion - Check for syntax errors - Create IB and PDV O c. Create IB and PDV - Create descriptor portion - Check for syntax errors - Tokenization O d. Tokenization - Create IB and PDV - Check for syntax errors - Create descriptor portion