पुनरुत्पादन तकनीक, भूमिका निर्वाह और प्रदर्शन किसकी मुख्य तकनीकें हैं?

उत्तर: (C) बोलने का कौशल — Reproduction technique (retelling), Role play (acting out scenarios), and Performance (presenting) are all active, oral techniques primarily used to develop speaking skills in language learning.