All four of the silicon-chlorine single bonds in sicl4 are polar. in which direction should the polarity arrows point?

In SiCl₄, the silicon-chlorine single bonds are polar.  

Silicon is enveloped with four chlorine atoms. Chlorine is more electronegative in comparison to silicon. As chlorine exhibits more electronegativity, it fascinates bonding electrons towards it. Therefore, the direction of the polarity arrows should point away from the central silicon atom.  

the answer is b & c i believe : )

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