• ASymbol table is responsible for keeping track of the scope of variables.
• BSymbol table can be implemented using a binary search tree.
• Symbol table is not required after the parsing phase.
• DSymbol table is created during the lexical analysis phase.

The symbol table remains essential throughout semantic analysis, code generation, and optimization — it is very much still needed after parsing, making this statement FALSE. The other three statements are standard, correct facts about symbol tables.