In the vars assignment block, ________ refers to the value of an externally defined variable low ?

• A. ‚Äö√Ñ√∂‚àö√ë‚àö‚à?#$low‚Äö√Ñ√∂‚àö√ë‚àöœÄ
• B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à?#$lowin‚Äö√Ñ√∂‚àö√ë‚àöœÄ
• C. ‚Äö√Ñ√∂‚àö√ë‚àö‚à?#$1‚Äö√Ñ√∂‚àö√ë‚àöœÄ
• D. None of the mentioned