What is the ratio of transformation of star/delta connection?$

• A. Phase transformation x:1, line transformation x:1
• B. Phase transformation x:1, line transformation ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ3x:1
• C. Phase transformation x:1, line transformation 3x:1
• D. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t determine with information available