The advantage(s) of incorporating the macro processor into pass 1 is/ are:

[A].	many functions do not have to be implemented twice
[B].	Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
[C].	more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
[D].	All of the above

Answer: Option D

Explanation:

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