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听力原文:There is some evidence that the foreign firm affiliates in this country have developed rapidly without having a decisive effect on the technological capacities and export competitiveness of the country's local firms. The local content of processed exports and evolution of domestic exports tend to indicate that there are limited linkages between the two. What is the relationship between the foreign firm affiliates and local firms in the country?
A.
The foreign firm affiliates are developing as rapidly as other local firms.
B.
The foreign firm affiliates are not developing as rapidly as other local firms.
C.
The foreign firm affiliates in this country have significantly enhanced the technological upgrading of local firms.
D.
The foreign firm affiliates in this country have hardly exerted any positive influence on the technological progress of local firms.