Mark the letter A, B, C or D to indicate the word OPPOSITE in meaning to the underlined word in each of the following sentences

Ex6: Mark the letter A, B, C or D to indicate the word OPPOSITE in meaning to the underlined word in each of the following sentences.
9. Learning how to forget about past mistakes isn't an easy process.
A. fast                      B. difficult                                   C. simple                            D. complex
10. How much do you think the pandemic has changed you, as a person? Much better.
A. less                     B. further                                     C. fewer                             D. worse