original: As a C-type, it is probably composed of carbonaceous materials.
simplifications: a C-type is probably made of non-carbon materials. As a C-type, it is probably made of carbon materials. As a C-type, it's probably carbon based. It might be composed of carbonaceous materials as a C-type. As a C-type, it is likely made of carbonaceous materials. As a C-type, it is probably made of carbonaceous materials. It is a C-type and probably made up of carbon and its compounds. it is probably composed of carbonaceous materials since it is a C-type. It is probably made up of silicate materials as a C-type. As a C-type, it is probably made-up of materials rich in carbon.