Which of the following country is not a part of Quadrilateral Security Dialogue (Quad)?

Which of the following country is not a part of Quadrilateral Security Dialogue (Quad)?

A. India

B. Australia

C. China

D. UK

Explanation:

The Quad special forces are going to conduct amphibious operations involving special forces, live firing and anti-submarine warfare operations off the coast of Guam in the Indo-Pacific as part of the Malabar 2021 exercise. Quadrilateral Security Dialogue (Quad) is the informal strategic dialogue between India, USA, Japan and Australia with a shared objective to ensure and support a “free, open and prosperous” Indo-Pacific region.