Geography MCQsWhich country has the longest boundary with China? Posted on June 21, 2021 by adminA. Bhutan B. India C. North Korea D. MongoliaShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)