Questions 143~146 refer to the following information.
 Illegal logging is a significant __143__ to widespread deforestation and poses asevere threat to the planet's biodiversity. It __144__ cutting down trees in protectedareas or without permits, causing immense environmental damage. This activity leadsto soil erosion, loss of biodiversity, flooding, and imbalances in the food chain.Moreover, it causes the displacement of wildlife, negatively affecting indigenouscommunities who rely on forests for their livelihood. The demand for cheap woodproducts fuels the black market trade in timber, __145__ further destruction ofnatural habitats. It is essential to combat this issue by enforcing regulations,implementing sustainable forest management plans, and educating consumers onresponsible sourcing of wood products. __146__ then can we hope to reduce thenegative impacts of illegal logging and widespread deforestation.
【題組】143.
(A) contributor
(B)contribute
(C) contribution
(D) contributive