Modern film techniques(a) are far superior(b)/than that(c)/employed in the past(d)/No error(e)

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Modern film techniques(a) are far superior(b)/than that(c)/employed in the past(d)/No error(e)
1. (a) 2. (b) 3. (c) 4. (d) 5. (e)
Correct Answer: c ["to" should be used in place of "than"]