The property of a primary expression is ____________

A. stand-alone expressions स्टैंड-अलोन एक्सप्रेशन

B. basic expressions containing all necessary functions सभी आवश्यक फंक्शंस वाले कंटेनिंग एक्सप्रेशन्स

C. contains variable references alone अकेले कंटेंस वैरिएबल रिफरेन्स शामिल हैं

D. contains only keywords केवल कीवर्ड शामिल हैं

Correct Answer is :

A. stand-alone expressions

Explanation

The simplest expressions, known as primary expressions, are those that stand alone — they do not include any simpler expressions. Primary expressions in JavaScript are constant or literal values, certain language keywords, and variable references.