Select the phrase(s) from the given three options which can be used to form a single sentence from the two sentences given below, implying the same meaning as expressed in the statement sentences. The given options may or may not be starters.
A. Discussions about the effects of digital technology on the economy and society have lately tended to focus on the negative.
B. It would be a mistake to let the risks associated with digital technology obscure its potential to make the world better. 1. But it would be… 2. So it would be a… 3. Though discussions about…

The sentences share a contradictory relationship - A tells us how discussions centering on the effects of digital tech on the economy and society have assumed a negative stance, and B contradicts it by telling us how it would be an error on our part to focus on its risks at the cost of its benefits. 1 is correct as BUT is used to show contradiction - “Discussions about the effects of digital technology on the economy and society have lately tended to focus on the negative, but it would be a mistake to let the risks associated with digital technology obscure its potential to make the world better.” 3 is correct as THOUGH is used to show contradiction - “Though discussions about the effects of digital technology on the economy and society have lately tended to focus on the negative, it would be a mistake to let the risks associated with digital technology obscure its potential to make the world better.”