Directions (1-5): Rearrange the following sentences to form a meaningful paragraph and then answer the questions given below them. 
(A) Only in the western part of Sunderbans, where the salinity is lower, could researchers find some evidence of the species. 
(B) A recent study covering 100 km of rivers and channels around the Sunderbans has revealed that the national aquatic animal is no longer sighted in the central and eastern parts of the archipelago. 
(C) The paper, authored by Sangita Mitra and Mahua Roy Chowdhury, states that “sighting records in the present study reveal that distribution of GRD (Ganges River Dolphin) is influenced by the salinity level of the waterways”. 
(D) Rise in salinity in the water system that makes the Indian Sunderbans has resulted in a decrease in population of the Ganges River Dolphins in the region. 
(E) The details of the study have been published in Journal of Threatened Taxa, in an article titled Possible Range Decline of Ganges River Dolphin Platanista Gangetica in Indian Sundarban.