In May of 1832, The Opening of Waterloo Bridge, John Constable's view of Waterloo Bridge over the Thames sold for £18.5 million and it was the third highest price ever paid for a painting at auction.
A. Thames sold for £18.5 million and it was : Incorrect : 'sold' here plays the role of 3rd form of the verb which requires a helping verb to function as a verb. 'it' after 'and' modifies 'view'. view cannot be the third highest price.
B. Thames, which sold for £18.5 million, was : Incorrect : 'which' seems to modify 'Thames' - wrong. Again, 'view' was the third highest price. Meaning error.
C. Thames, was sold for £18.5 million : Correct : The view was sold for 18.5 million pounds and 'third highest price ever paid' modifies 18.5 million pounds.
D. Thames was sold for £18.5 million, being : Incorrect : 'being' is an issue here because £18.5 million was the third highest price ever paid. intention is to state a fact relevant to the year 1832.
E. Thames, sold for £18.5 million, and was : Incorrect : same error as in option a and b.