【单选题】Which sentence below would be the best topic sentence for the following paragraph? __________________________. They apply CNNs in two main ways. The first one is to learn the meaningful features and t...
A.
A number of approaches based on deep convolutional neural networks (CNNs) have been studied to solve text segmentation tasks
B.
A number of approaches based on deep convolutional neural networks (CNNs) have been to extract information from images.
C.
A number of approaches based on deep convolutional neural networks (CNNs) have been proposed to tackle image segmentation tasks.
D.
A number of approaches based on deep convolutional neural networks (CNNs) have been discussed to tackle image labelling tasks.