下列#include命令中，正确的是（） A: #inclue[string.h] B: #include{string.h} C: #include（string.h） D: #include

Among the following options, the correct descriptions inclue ______. A: pass represents an empty operation, only plays a place-occupied role B: pass can only be used in conditional statements C: For the statement sequence under if, it is allowed that there is only one pass statement D: pass can be used to jump out of the loop statement