单选题
However great the joy with which he welcome a new discovery in some
theoretical science of practical application perhaps it was as yet quite
impossible to envisage, he experienced quite another kind of joy {{U}}to which{{/U}}
{{U}}the discovery invloved{{/U}} immediate revolutionary changes in industry and in
historical development in general.
- A. whose... when the discovery involved
- B. which... with which the discovery would involve
- C. for... when the discovery involving
- D. that... whereas the discovery had to involve