The European Southern Observatory decided to build an observatory in the Chilean Andes before 2022, considering that the LSST, the telescope that will help study the distribution of matter in the universe,
is expected to start working in 2022, and most of the present observatories in Chile cannot be used for carrying out studies with them being open to visitors.
(A) is expected to start working in 2022, and most of the present observatories in Chile cannot be used for carrying out studies with them being
(B) is expected to start working in 2022, and most of the present observatories in Chile cannot be used for carrying out studies in that they are
(C) would be expected to start working in 2022, and that most of the present observatories in Chile cannot be used for carrying out studies as they are
(D) and expected to start working in 2022, and most of the present observatories in Chile cannot be used for carrying out studies as they are
(E) is expected to start working in 2022, and that most of the present observatories in Chile cannot be used for carrying out studies as they are