However, he didn't find anything unusual enough .......... why she ...

[ To Infinitive or Bare Infinitive ]

However, he didn’t find anything unusual enough ………. why she could remember so much about her life

A. to explain

B. explaining

C. explains

D. explain

Select your answer:

Random Topics:
Verbal and Appositive Phrases Present Simple & Present Continuous Tenses Types of Sentences Present or Past Tenses Intermediate Prepositions Past Modals Tenses and Pronouns Connectives (because, due to, owing to, because of)Grammar - to be

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