Two things are tested here:
1. A, together with B - takes a singular verb - this rules out B, C and D
2. 'so X that Y' is the correct idiomatic usage
Hence, A
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1. A, together with B - takes a singular verb - this rules out B, C and D
2. 'so X that Y' is the correct idiomatic usage
Hence, A
Posted from my mobile device
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