Answer:
B). Scholars had some success in understanding the meanings of the hieroglyphs.
Step-by-step explanation:
The author contemplates that 'the scholars have attained certain success in understanding the meaning of hieroglyphs.' This viewpoint is reflected when the author uses descriptions like 'De Guignes guessed rightly' regarding 'Cartouche' discovered by the French scholar, C.J. de Guignes. This approval of Guignes' by the author substantiates that he considers that scholars have achieved some level of victory in the development of heirogylphics. Thus, option B is the correct answer.