Directions: Read the passage given below carefully and then answer the following questions.

Alibaba and Ant Group founder Jack Ma has lost the title of China's ________ (1) man, a list published on Tuesday showed, as his peers prospered while his empire was put under heavy scrutiny by Chinese regulators.

Ma and his family had held the top spot for China's richest in the Hurun Global Rich List in 2020 and 2019 but now trail in fourth place behind bottled water maker Nongfu Spring's Zhong Shanshan, Tencent Holding's Pony Ma, and e-commerce upstart Pinduoduo's Collin Huang, the latest _______ (2) showed.

His fall out of the top three comes "after China's regulators _________ (3) in Ant Group and Alibaba on anti-trust issues," the Hurun report said.

Ma's recent _______ (4) were triggered by an Oct. 23 speech in which he blasted China's regulatory system, leading to the suspension of his Ant Group's $37 billion IPO just days before the fintech giant's public listing.

Regulators have since tightened anti-trust scrutiny on the country's tech sector, with Alibaba taking much of the heat; the market regulator launched an official anti-trust ________ (5) into Alibaba in December.