भाषा अर्जन के चरणों में निम्नलिखित मील के पत्थरों पर विचार कीजिए: I. बलबलाने की अवस्था (Babbling) - लगभग 6 महीने II. एक-शब्द अवस्था (One-word stage) - लगभग 1 वर्ष उपर्युक्त में से कौन सा/से संयोजन सही है/हैं?

Between 12 to 18 months of age, children begin to produce a variety of recognizable single-unit utterances. This period, in which single terms are uttered for everyday objects, is called the:

Read the following statements: Assertion (A): Delaying the learning of languages in the early years makes it more difficult for children to acquire new languages. Reason (R): Early years of the child are sensitive periods for language acquisition. Choose the correct option.