Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: David Cameron unveiled a non-aggression pact with China on cyber-crime yesterday as he insisted his softly-softly approach to the country’s abysmal human rights record was bearing fruit. In a tacit admission that the two countries are engaged in an online war, Mr Cameron and Chinese President Xi Jinping pledged the end of ‘cyber-enabled theft of intellectual property, trade secrets or confidential business information’. The deal – which mirrors a similar agreement between China and the US last month – reflects growing concern about the impact of cyber attacks. MI5 views China as one of the biggest perpetrators of cyber-crime. The US agreement has faced criticism for being too feeble, but No 10 yesterday insisted that the British deal would have an impact.David Cameron and Chinese president pledged to end 'cyber-enabled theft of intellectual property, trade secrets or confidential business information'The deal mirrors similar agreement between China and the US last monthThat agreement faced criticism but No 10 insist UK deal will have impactChina also confirmed it will invest £6bn in construction at Hinkley Point 
 Question:The biggest and most controversial involves China’s stake in _.

Hinkley Point