請依下文回答第21 題至第 25 題
       What is statistical analysis? It is the science of collecting, exploring and presenting large amounts of data to discover __21__    patterns and trends. Statistics are applied every day-- in research, industry andgovernment -- to become more scientific about decisions that need to be made. For example: (i)Manufacturers use statistics to __22__ quality into beautiful fabrics, to bring lift to the airline industryand to help guitarists make beautiful music. (ii) Researchers keep children __23__ by using statistics toanalyze data from the production of viral vaccines, which ensures safety. (iii) Communication companiesuse statistics to optimize network resources, improve service and reduce customer churn by gaining greaterinsight into subscriber requirements. (iv) Government agencies around the world __24__ on statistics fora clear understanding of their countries, their businesses and their people. Look around you. __25__ the tube of toothpaste in your bathroom to the planes flying overhead, yousee hundreds of products and processes every day that have been improved through the use of statistics.
【題組】21
(A) underlie
(B) underlying
(C) underlied
(D) underlined